Bump actions/checkout from 6.0.2 to 6.0.3

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@de0fac2...df4cb1c)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -13,7 +13,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           ref: ${{ github.event.release.target_commitish }}
       - name: Validate and extract release information

.github/workflows/pull-request.yml

@@ -15,7 +15,7 @@ jobs:
       )
     steps:
       - name: Check out merge commit of pull request
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           ref: ${{ github.event.pull_request.merge_commit_sha }}
           submodules: true

.github/workflows/push.yml

@@ -12,7 +12,7 @@ jobs:
       !contains(github.event.head_commit.message, '[skip ci]')
     steps:
       - name: Check out commit
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           submodules: true
       - name: Use Node.js ${{ matrix.node-version }}
@@ -42,7 +42,7 @@ jobs:
       !contains(github.event.head_commit.message, '[skip ci]')
     steps:
       - name: Check out commit
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           submodules: true
       - name: Use Node.js ${{ matrix.node-version }}
@@ -62,7 +62,7 @@ jobs:
       !contains(github.event.head_commit.message, '[skip ci]')
     steps:
       - name: Check out commit
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           submodules: true
       - name: Use Node.js 26