[TASK] Update actions/checkout digest to df4cb1c

Author: renovate[bot]

.github/workflows/cgl.yaml

@@ -17,7 +17,7 @@ jobs:
     needs: prepare
     if: needs.prepare.outputs.continue == 'true'
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           fetch-depth: 0
 

.github/workflows/release.yaml

@@ -10,7 +10,7 @@ jobs:
     name: Create release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           fetch-depth: 0
 

.github/workflows/tests.yaml

@@ -23,7 +23,7 @@ jobs:
         php-version: ["8.2", "8.3", "8.4", "8.5"]
         dependencies: ["locked", "highest", "lowest"]
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           fetch-depth: 0
 
@@ -51,7 +51,7 @@ jobs:
     needs: prepare
     if: needs.prepare.outputs.continue == 'true'
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           fetch-depth: 0
 
@@ -89,7 +89,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: coverage
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           fetch-depth: 0