CI: update actions to latest versions

The older versions are based on Node 16 which is being deprecated.

Author: dnicolodi

.github/workflows/docs.yml

@@ -26,10 +26,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.11'
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.push.tag || github.event.inputs.tag }}
       - run: python -m pip install .[docs]

.github/workflows/tests.yml

@@ -88,10 +88,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up target Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
 
@@ -119,7 +119,7 @@ jobs:
           python -m pytest --showlocals -vv --cov --cov-report=xml
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         if: ${{ always() }}
 
   msvc:
@@ -134,10 +134,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up target Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
 
@@ -172,7 +172,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Cygwin
         uses: cygwin/cygwin-install-action@v2
@@ -207,7 +207,7 @@ jobs:
         # Cygwin Python cannot use binary wheels from PyPI. Building
         # some dependencies takes considerable time. Caching the built
         # wheels speeds up the CI job quite a bit.
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.pip-cache-path.outputs.path }}
           key: cygwin-pip-${{ github.sha }}
@@ -248,7 +248,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install pyston
         run: |
@@ -282,7 +282,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Homebrew Python
         run: |
@@ -311,10 +311,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.9