ci(deps): bump actions/checkout from 5 to 6

.github/workflows/build.yml

@@ -107,7 +107,7 @@ jobs:
 
 
     - name: Git Checkout
-      uses: actions/checkout@v5  # https://github.com/actions/checkout
+      uses: actions/checkout@v6  # https://github.com/actions/checkout
 
 
     - name: "Install: Chromium Browser"
@@ -294,7 +294,7 @@ jobs:
 
     steps:
     - name: Git Checkout # required to avoid https://docs.codecov.com/docs/error-reference#unusable-reports
-      uses: actions/checkout@v5  # https://github.com/actions/checkout
+      uses: actions/checkout@v6  # https://github.com/actions/checkout
 
 
     - name: Download coverage reports
@@ -383,7 +383,7 @@ jobs:
 
     - name: Git Checkout
       # only required by "gh release create" to prevent "fatal: Not a git repository"
-      uses: actions/checkout@v5  # https://github.com/actions/checkout
+      uses: actions/checkout@v6  # https://github.com/actions/checkout
 
 
     - name: Delete untagged docker image

.github/workflows/codeql-analysis.yml

@@ -59,7 +59,7 @@ jobs:
 
 
     - name: Git checkout
-      uses: actions/checkout@v5  # https://github.com/actions/checkout
+      uses: actions/checkout@v6  # https://github.com/actions/checkout
 
 
     - name: "Install Python and PDM"  # https://github.com/pdm-project/setup-pdm

.github/workflows/stale.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Git checkout
-      uses: actions/checkout@v5  # https://github.com/actions/checkout
+      uses: actions/checkout@v6  # https://github.com/actions/checkout
 
     - name: Run stale action
       uses: actions/stale@v10  # https://github.com/actions/stale

.github/workflows/update-python-deps.yml

@@ -49,7 +49,7 @@ jobs:
 
 
     - name: Git Checkout
-      uses: actions/checkout@v5  # https://github.com/actions/checkout
+      uses: actions/checkout@v6  # https://github.com/actions/checkout
       with:
         token: ${{ steps.generate_token.outputs.token }}