chore(deps): update docker/metadata-action digest to c299e40 (#4127)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [docker/metadata-action](https://redirect.github.com/docker/metadata-action) | action | digest | `318604b` -> `c299e40` |

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Author: renovate[bot]

.github/workflows/build-push-deploy-promrated.yaml

@@ -28,7 +28,7 @@ jobs:
 
     - name: Define docker image meta data tags
       id: meta
-      uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893 # v5
+      uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5
       with:
         images: |
           obolnetwork/promrated