chore(deps): upgrade actions/checkout digest to df4cb1c

Author: renovate[bot]

.github/workflows/quality.yaml

@@ -8,7 +8,7 @@ jobs:
   quality:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       - name: Setup PDM
         uses: pdm-project/setup-pdm@94a823180e06fcde4ad29308721954a521c96ed0 # v4

.github/workflows/release.yaml

@@ -16,7 +16,7 @@ jobs:
     outputs:
       version: ${{ steps.version.outputs.version }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       - name: Setup PDM
         uses: pdm-project/setup-pdm@94a823180e06fcde4ad29308721954a521c96ed0 # v4
@@ -44,7 +44,7 @@ jobs:
       name: pypi
       url: https://pypi.org/project/github-webhook-types/${{ needs.get-version.outputs.version }}/
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           fetch-depth: 0
 
@@ -73,7 +73,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       - name: Setup PDM
         uses: pdm-project/setup-pdm@94a823180e06fcde4ad29308721954a521c96ed0 # v4