Bump dependabot/fetch-metadata from 3.0.0 to 3.1.0

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@ffa630c...25dd0e3)

---
updated-dependencies:
- dependency-name: dependabot/fetch-metadata
  dependency-version: 3.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/dependabot_automerge.yml

@@ -13,7 +13,7 @@ jobs:
     if: github.event.pull_request.user.login == 'dependabot[bot]' && github.repository == 'ruby/rake'
     steps:
       - name: Dependabot metadata
-        uses: dependabot/fetch-metadata@ffa630c65fa7e0ecfa0625b5ceda64399aea1b36 # v3.0.0
+        uses: dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98 # v3.1.0
         id: metadata
 
       - name: Wait for status checks