Merge pull request #936 from flexion/renovate/dependabot-fetch-metadata-3.x

Update dependabot/fetch-metadata action to v3

Author: tomwillis608

.github/workflows/auto-merge-dependabot-workflow.yaml

@@ -27,7 +27,7 @@ jobs:
             api.github.com:443
       - name: Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@21025c705c08248db411dc16f3619e6b5f9ea21a # v2.5.0
+        uses: dependabot/fetch-metadata@ffa630c65fa7e0ecfa0625b5ceda64399aea1b36 # v3.0.0
         with:
           skip-verification: true
         if: ${{ github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]' }}