Add initial GHA CI and pre-commit configuration

.github/workflows/gha-updater.yml

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+---
+name: GitHub Actions Version Updater
+
+# Controls when the action will run.
+# yamllint disable-line rule:truthy
+on:
+  schedule:
+    # Automatically run on every Sunday
+    - cron: "0 0 * * 0"
+
+jobs:
+  gha-updater:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          # [Required] Access token with `workflow` scope.
+          token: ${{ secrets.WORKFLOW_SECRET }}
+      - name: Run GitHub Actions Version Updater
+        uses: saadmk11/github-actions-version-updater@v0.8.1
+        with:
+          # [Required] Access token with `workflow` scope.
+          token: ${{ secrets.WORKFLOW_SECRET }}

.github/workflows/pre-commit.yml

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+---
+# In the absence of using the pre-commit.ci service...
+name: pre-commit
+
+# yamllint disable-line rule:truthy
+on:
+  pull_request:
+  push:
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v3
+      - uses: pre-commit/action@v3.0.0

.pre-commit-config.yaml

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+---
+fail_fast: false
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: "v4.4.0"
+    hooks:
+      - id: check-added-large-files
+      - id: check-case-conflict
+      - id: check-json
+      - id: check-merge-conflict
+      - id: check-symlinks
+      - id: check-toml
+      - id: check-yaml
+      - id: end-of-file-fixer
+      - id: fix-byte-order-marker
+      - id: mixed-line-ending
+        args: [--fix, "lf"]
+      - id: no-commit-to-branch
+        args: [--branch, main, --branch, master, --branch, devel]
+      - id: trailing-whitespace
+  - repo: https://github.com/adrienverge/yamllint
+    rev: "v1.32.0"
+    hooks:
+      - id: yamllint