ci(deps): Bump dependabot/fetch-metadata from 1.5.0 to 1.5.1

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 1.5.0 to 1.5.1.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@v1.5.0...v1.5.1)

---
updated-dependencies:
- dependency-name: dependabot/fetch-metadata
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/approve-pr.yml

@@ -34,7 +34,7 @@ jobs:
       - id: dependabot-metadata
         name: Fetch dependabot metadata
         if: github.actor == 'dependabot[bot]'
-        uses: dependabot/fetch-metadata@v1.5.0
+        uses: dependabot/fetch-metadata@v1.5.1
         with:
           skip-commit-verification: true
       - id: checkout

.github/workflows/dependabot-auto.yml

@@ -37,7 +37,7 @@ jobs:
         uses: hmarr/debug-action@v2.1.0
       - id: metadata
         name: Fetch metadata
-        uses: dependabot/fetch-metadata@v1.5.0
+        uses: dependabot/fetch-metadata@v1.5.1
         with:
           skip-commit-verification: true
       - id: checkout