Update actions/checkout action to v6.0.2

Author: renovate[bot]

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: erlef/setup-beam@ee09b1e59bb240681c382eb1f0abc6a04af72764 # v1
         id: beam
         with:
@@ -66,7 +66,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: erlef/setup-beam@ee09b1e59bb240681c382eb1f0abc6a04af72764 # v1
         id: beam
         with:
@@ -127,7 +127,7 @@ jobs:
           - 5432:5432
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: erlef/setup-beam@ee09b1e59bb240681c382eb1f0abc6a04af72764 # v1
         id: beam
         with:
@@ -156,7 +156,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: erlef/setup-beam@ee09b1e59bb240681c382eb1f0abc6a04af72764 # v1
         id: beam
         with: