Update actions/checkout digest to d23441a (#306)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://redirect.github.com/actions/checkout)
([changelog](https://redirect.github.com/actions/checkout/compare/df4cb1c069e1874edd31b4311f1884172cec0e10..d23441a48e516b6c34aea4fa41551a30e30af803))
| action | digest | `df4cb1c` → `d23441a` |

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.github/workflows/build.yml

@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
       - uses: actions/setup-java@v5
         with:
           distribution: temurin
@@ -31,7 +31,7 @@ jobs:
     environment: Sonatype
     needs: build
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
       - name: Set up OpenJDK
         uses: actions/setup-java@v5
         with: