ci(deps): update actions/checkout action to v6 (#137)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/docs.yaml

@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Required to push to the documentation branch
           ref: ${{ inputs.ref }} 

.github/workflows/qualify.yaml

@@ -44,7 +44,7 @@ jobs:
       python-versions: ${{ steps.get-versions.outputs.python-versions }}
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Get Python versions from pyproject.toml
       id: get-versions
@@ -69,7 +69,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up uv
       uses: astral-sh/setup-uv@v7
@@ -145,7 +145,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2
 

.github/workflows/release.yaml

@@ -38,7 +38,7 @@ jobs:
         git config --global user.email '${{ steps.get-user-id.outputs.user-id }}+${{ steps.app-token.outputs.app-slug }}[bot]@users.noreply.github.com'
 
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
         ref: ${{ github.sha }}
@@ -122,7 +122,7 @@ jobs:
       id-token: write
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         ref: ${{ needs.release.outputs.next-tag }}
 
@@ -157,7 +157,7 @@ jobs:
       contents: write
     steps:
       - name: checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with: 
           fetch-depth: 0 # Required to push to the documentation branch