chore(deps): update registry:3.1.0 docker digest to 8a7c1aa (#1513)

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

Author: renovate[bot]

kubernetes/apps/actions-runner/registry-cache/helmrelease.yaml

@@ -33,7 +33,7 @@ spec:
           main:
             image:
               repository: registry
-              tag: 3.1.0@sha256:afcd13fd045b8859ac4f60fef26fc2d2f9b7b9d9e604c3c4f7c2fb1b94f95a64
+              tag: 3.1.0@sha256:8a7c1aae9db5028cbc1cfe83e5969d270a50e8bc0b72eef3cc5657542ec383c9
             env:
               REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY: /data
               REGISTRY_PROXY_REMOTEURL: https://registry-1.docker.io