Update to actions/setup-python@v5

This fixes the Node.js 16 deprecation warning.

.github/workflows/isort.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
       - run: pip install 'isort>=5.0.1'
       - uses: wearerequired/[email protected]
         with:

.github/workflows/mypy.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
       - run: |
           pip install -U \
             black \

.github/workflows/pylint.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
       - name: Install dependencies for running Pylint
         run: |
           pip install -U \

.github/workflows/python-package.yml

@@ -18,7 +18,7 @@ jobs:
       wheel-path: ${{ steps.get-darker-version.outputs.wheel-path }}
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
       - name: Install wheel
         run: python -m pip install wheel
       - name: Build wheel distribution
@@ -103,7 +103,7 @@ jobs:
           fetch-depth: 0
           # need full history since Pytest runs Darker itself below
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Download wheel uploaded by the build-wheel job
@@ -133,7 +133,7 @@ jobs:
       - build-wheel
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
       - name: Install twine
         run: python -m pip install twine
       - name: Download wheel uploaded by the build-wheel job

.github/workflows/pyupgrade.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
       - run: pip install pyupgrade
       - name: Ensure modern Python style using pyupgrade
         # This script is written in a Linux / macos / windows portable way

.github/workflows/safety.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
       - run: pip install -U pip-tools
       - run: pip-compile setup.cfg
       - run: pip install -U safety

.github/workflows/test-bump-version.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
 
       - name: Make sure that `bump_version.py` still finds all version strings
               and that there's a future milestone on GitHub Issues.

.github/workflows/test-future.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           ref: 'master'
           fetch-depth: 0
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.x'
       - name: Install dependencies

README.rst

@@ -729,7 +729,7 @@ Create a file named ``.github/workflows/darker.yml`` inside your repository with
          - uses: actions/checkout@v3
            with:
              fetch-depth: 0 
-         - uses: actions/setup-python@v4
+         - uses: actions/setup-python@v5
          - uses: akaihola/[email protected]
            with:
              options: "--check --diff --isort --color"