Update doc8-action to v5 and setup-python to v5

Author: RKrahl

.github/workflows/rst-lint.yaml

@@ -12,6 +12,6 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@v4
       - name: doc8-check
-        uses: deep-entertainment/doc8-action@v4
+        uses: deep-entertainment/doc8-action@v5
         with:
           scanPaths: "doc/src"

.github/workflows/run-tests.yaml

@@ -27,7 +27,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies