build(deps): update dependabot/fetch-metadata digest to ffa630c

Author: renovate[bot]

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

@@ -12,7 +12,7 @@ jobs:
     steps:
       - name: Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@21025c705c08248db411dc16f3619e6b5f9ea21a # v2
+        uses: dependabot/fetch-metadata@ffa630c65fa7e0ecfa0625b5ceda64399aea1b36 # v2
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"