github-actions: bump umbrelladocs/action-linkspector from 1.3.4 to 1.3.7

Bumps [umbrelladocs/action-linkspector](https://github.com/umbrelladocs/action-linkspector) from 1.3.4 to 1.3.7.
- [Release notes](https://github.com/umbrelladocs/action-linkspector/releases)
- [Commits](UmbrellaDocs/action-linkspector@a0567ce...874d01c)

---
updated-dependencies:
- dependency-name: umbrelladocs/action-linkspector
  dependency-version: 1.3.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/checks.yml

@@ -62,7 +62,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-    - uses: umbrelladocs/action-linkspector@a0567ce1c7c13de4a2358587492ed43cab5d0102 # v1.3.4
+    - uses: umbrelladocs/action-linkspector@874d01cae9fd488e3077b08952093235bd626977 # v1.3.7
       with:
         github_token: ${{ secrets.github_token }}
         fail_level: error