ci(actions): upgrade to Ubuntu 24.04 and Python 3.12 (reanahub#70)

Closes reanahub/reana#808

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ on: [push, pull_request]
 
 jobs:
   lint-commitlint:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -36,7 +36,7 @@ jobs:
           ./run-tests.sh --check-commitlint ${{ github.event.pull_request.head.sha }}~${{ github.event.pull_request.commits }} ${{ github.event.pull_request.head.sha }} ${{ github.event.pull_request.number }}
 
   lint-shellcheck:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -47,15 +47,15 @@ jobs:
           ./run-tests.sh --check-shellcheck
 
   lint-black:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.12
 
       - name: Check Python code formatting
         run: |
@@ -64,15 +64,15 @@ jobs:
           ./run-tests.sh --check-black
 
   lint-flake8:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.12
 
       - name: Check compliance with pep8, pyflakes and circular complexity
         run: |
@@ -81,15 +81,15 @@ jobs:
           ./run-tests.sh --check-flake8
 
   lint-pydocstyle:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.12
 
       - name: Check compliance with Python docstring conventions
         run: |
@@ -98,15 +98,15 @@ jobs:
           ./run-tests.sh --check-pydocstyle
 
   lint-check-manifest:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.12
 
       - name: Check Python manifest completeness
         run: |
@@ -115,15 +115,15 @@ jobs:
           ./run-tests.sh --check-manifest
 
   docs-sphinx:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.12
 
       - name: Install system dependencies
         run: |
@@ -140,15 +140,15 @@ jobs:
         run: ./run-tests.sh --check-sphinx
 
   python-tests:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.12
 
       - name: Install Python dependencies
         run: |
@@ -166,7 +166,7 @@ jobs:
           files: coverage.xml
 
   lint-dockerfile:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -175,7 +175,7 @@ jobs:
         run: ./run-tests.sh --check-dockerfile
 
   docker-build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -184,7 +184,7 @@ jobs:
         run: ./run-tests.sh --check-docker-build
 
   release-docker:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     if: >
       vars.RELEASE_DOCKER == 'true' &&
       github.event_name == 'push' &&

.readthedocs.yaml

@@ -7,9 +7,9 @@
 version: 2
 
 build:
-  os: ubuntu-22.04
+  os: ubuntu-24.04
   tools:
-    python: "3.8"
+    python: "3.12"
 
 sphinx:
   configuration: docs/conf.py