[AP-2965] Update to prepare for Python 3.12

.github/CODEOWNERS

@@ -0,0 +1,2 @@
+# Default approvers
+* @transferwise/analytics-platform

.github/workflows/main.yml

@@ -14,13 +14,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.12"]
 
     runs-on: ubuntu-latest
 
     steps:
       - name: Checking out repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4.1.7
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
@@ -39,36 +39,39 @@ jobs:
         run: coverage run --parallel -m pytest
 
       - name: Upload coverage data
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: coverage-data
           path: ".coverage.*"
+          include-hidden-files: true
+          if-no-files-found: error
 
   coverage:
     runs-on: ubuntu-latest
     needs: build
     steps:
     - name: Check out the repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
-        python-version: "3.8"
+        python-version: "3.12"
 
     - name: Install and upgrade dependencies
       run: |
         python -m pip install -U pip setuptools wheel
         python3 -m pip install -U .[dev]
 
     - name: Download coverage data
-      uses: actions/download-artifact@v3.0.0
+      uses: actions/download-artifact@v4
       with:
         name: coverage-data
 
     - name: Combine coverage data
       run: |
-        coverage combine
+        coverage combine .coverage.*
+        coverage report
 
     - name: Generate XML coverage report
       run: |

.github/workflows/pythonpublish.yml

@@ -8,11 +8,11 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4.1.7
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5.1.0
       with:
-        python-version: '3.x'
+        python-version: '3.12'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip