Update ghcr.io/enterprise-contract/golden-container:latest Docker digest to bc7cc14 (#379)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/checks.yaml

@@ -20,7 +20,7 @@ jobs:
     - name : Run EC Validate (keyless)
       uses: ./
       with:
-        image: ghcr.io/enterprise-contract/golden-container:latest@sha256:b5ddca6203ecbe7ef5a9475440bcbbec24b5572db5c6f9098cef3444284c8346 # latest
+        image: ghcr.io/enterprise-contract/golden-container:latest@sha256:bc7cc1476d82177f992c9ad238bc6b82ae89540f12398066b7a602301337fdc5 # latest
         identity: https:\/\/github\.com\/(slsa-framework\/slsa-github-generator|enterprise-contract\/golden-container)\/
         issuer: https://token.actions.githubusercontent.com