[StepSecurity] Apply security best practices

Signed-off-by: StepSecurity Bot <bot@stepsecurity.io>

.github/dependabot.yaml

@@ -7,3 +7,8 @@ updates:
     ignore:
       - dependency-name: "pydocstyle"
         update-types: ["version-update:semver-minor"]
+
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily

.github/workflows/build.yaml

@@ -2,16 +2,24 @@ name: Check
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   check:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         python-version: ["3.11", "3.12"]
     steps:
-      - uses: actions/checkout@v4
-      - uses: snok/install-poetry@v1
-      - uses: actions/setup-python@v5
+      - name: Harden Runner
+        uses: step-security/harden-runner@91182cccc01eb5e619899d80e4e971d6181294a7 # v2.10.1
+        with:
+          egress-policy: audit
+
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: snok/install-poetry@76e04a911780d5b312d89783f7b1cd627778900a # v1.4.1
+      - uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with:
           python-version: ${{ matrix.python-version }}
           cache: "poetry"
@@ -26,11 +34,16 @@ jobs:
     env:
       PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
     steps:
-      - uses: actions/checkout@v4
+      - name: Harden Runner
+        uses: step-security/harden-runner@91182cccc01eb5e619899d80e4e971d6181294a7 # v2.10.1
+        with:
+          egress-policy: audit
+
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           fetch-depth: 0
-      - uses: snok/install-poetry@v1
-      - uses: actions/setup-python@v5
+      - uses: snok/install-poetry@76e04a911780d5b312d89783f7b1cd627778900a # v1.4.1
+      - uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with:
           python-version: "3.11"
           cache: "poetry"

.github/workflows/codeql.yml

@@ -0,0 +1,78 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: ["main"]
+  schedule:
+    - cron: "0 0 * * 1"
+
+permissions:
+  contents: read
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ["python"]
+        # CodeQL supports [ $supported-codeql-languages ]
+        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
+
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@91182cccc01eb5e619899d80e4e971d6181294a7 # v2.10.1
+        with:
+          egress-policy: audit
+
+      - name: Checkout repository
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@294a9d92911152fe08befb9ec03e240add280cb3 # v3.26.8
+        with:
+          languages: ${{ matrix.language }}
+          # If you wish to specify custom queries, you can do so here or in a config file.
+          # By default, queries listed here will override any specified in a config file.
+          # Prefix the list here with "+" to use these queries and those in the config file.
+
+      # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+      # If this step fails, then you should remove it and run the build manually (see below)
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@294a9d92911152fe08befb9ec03e240add280cb3 # v3.26.8
+
+      # ℹ️ Command-line programs to run using the OS shell.
+      # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+
+      #   If the Autobuild fails above, remove it and uncomment the following three lines.
+      #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
+
+      # - run: |
+      #   echo "Run, Build Application using script"
+      #   ./location_of_script_within_repo/buildscript.sh
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@294a9d92911152fe08befb9ec03e240add280cb3 # v3.26.8
+        with:
+          category: "/language:${{matrix.language}}"

.github/workflows/dependabot-actions.yaml

@@ -10,6 +10,11 @@ jobs:
     runs-on: ubuntu-latest
     if: github.actor == 'dependabot[bot]'
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@91182cccc01eb5e619899d80e4e971d6181294a7 # v2.10.1
+        with:
+          egress-policy: audit
+
       - run: gh pr merge --auto --rebase "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}

.github/workflows/scorecard.yml

@@ -31,6 +31,11 @@ jobs:
       # actions: read
 
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@91182cccc01eb5e619899d80e4e971d6181294a7 # v2.10.1
+        with:
+          egress-policy: audit
+
       - name: "Checkout code"
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
@@ -68,6 +73,6 @@ jobs:
       # Upload the results to GitHub's code scanning dashboard (optional).
       # Commenting out will disable upload of results to your repo's Code Scanning dashboard
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@294a9d92911152fe08befb9ec03e240add280cb3 # v3.26.8
         with:
           sarif_file: results.sarif