fix: downgrade cache action version in workflows for compatibility

Author: garlontas

.github/workflows/pylint.yml

@@ -10,14 +10,14 @@ jobs:
         python-version: [ "3.8", "3.9", "3.10", "3.11", "3.12" ]
     steps:
       - uses: actions/checkout@v4
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install pylint
-    - name: Analysing the code with pylint
-      run: |
-        pylint $(git ls-files '*.py')
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pylint
+      - name: Analysing the code with pylint
+        run: |
+          pylint $(git ls-files '*.py')

.github/workflows/unittests.yml

@@ -31,7 +31,7 @@ jobs:
       # manually if/when you want to upgrade Poetry, or if something goes wrong. This could be
       # mildly cleaner by using an environment variable, but I don't really care.
       - name: cache poetry install
-        uses: actions/cache@v6
+        uses: actions/cache@v4
         with:
           path: ~/.local
           key: poetry-1.4.2-0
@@ -56,7 +56,7 @@ jobs:
       # them in the cache key. I'm not, so it can be simple and just depend on the poetry.lock.
       - name: cache deps
         id: cache-deps
-        uses: actions/cache@v6
+        uses: actions/cache@v4
         with:
           path: .venv
           key: pydeps-${{ hashFiles('**/poetry.lock') }}