github CI: use actions/cache@v3

.github/workflows/ci.yml

@@ -86,7 +86,7 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
     - name: Cache pip
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('requirements.d/development.txt') }}

.github/workflows/codeql-analysis.yml

@@ -38,7 +38,7 @@ jobs:
       with:
         python-version: 3.9
     - name: Cache pip
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('requirements.d/development.txt') }}