Merge pull request #709 from ruby/dependabot/github_actions/dependabot/fetch-metadata-3.0.0

Bump dependabot/fetch-metadata from 2.5.0 to 3.0.0

Author: hsbt

.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@21025c705c08248db411dc16f3619e6b5f9ea21a # v2.5.0
+        uses: dependabot/fetch-metadata@ffa630c65fa7e0ecfa0625b5ceda64399aea1b36 # v3.0.0
         id: metadata
 
       - name: Wait for status checks