[MNT] Bump actions/checkout from 4 to 6

Bump actions/checkout from 4 to 6

Author: fkiraly

.github/workflows/dist.yaml

@@ -23,7 +23,7 @@ jobs:
   dist:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Setup Python
       uses: actions/setup-python@v5
       with:

.github/workflows/docs.yaml

@@ -22,7 +22,7 @@ jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Setup Python

.github/workflows/release_docker.yaml

@@ -34,7 +34,7 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Check out the repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Extract metadata (tags, labels) for Docker Hub
         id: meta_dockerhub

.github/workflows/test.yml

@@ -32,7 +32,7 @@ jobs:
       fail-fast:  false
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 2
     - name: Setup Python ${{ matrix.python-version }}