Update actions/checkout action to v6.0.1 (#49)

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
       id-token: write
       contents: write
     steps:
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: jdx/mise-action@146a28175021df8ca24f8ee1828cc2a60f980bd5 # v3.5.1
         with:
           version: 2025.7.12
@@ -41,7 +41,7 @@ jobs:
       id-token: write
       contents: write
     steps:
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: jdx/mise-action@146a28175021df8ca24f8ee1828cc2a60f980bd5 # v3.5.1
         with:
           cache_save: false

.github/workflows/unified-dogfooding.yml

@@ -13,7 +13,7 @@ jobs:
       id-token: write
       contents: write
     steps:
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: jdx/mise-action@146a28175021df8ca24f8ee1828cc2a60f980bd5 # v3.5.1
         with:
           version: 2025.7.12