Bump actions to latest major version: checkout, cache, setup-python

Author: brainsik

.github/workflows/main.yml

@@ -9,18 +9,18 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ github.job }}-${{ env.pip-cache-key }}
           restore-keys: |
             ${{ runner.os }}-pip-
 
       - name: pre-commit cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pre-commit
           key: ${{ runner.os }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
@@ -40,10 +40,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ github.job }}-${{ env.pip-cache-key }}
@@ -72,24 +72,22 @@ jobs:
     needs: [lint, build]
     runs-on: ubuntu-latest
     strategy:
-      # You can use PyPy versions in python-version.
-      # For example, pypy-2.7 and pypy-3.8
       matrix:
         python-version: ["2.7", "3.8", "3.9", "3.10", "3.11", "3.12", "pypy-3.10"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ github.job }}-${{ env.pip-cache-key }}
           restore-keys: |
             ${{ runner.os }}-pip-
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}