Update ghcr.io/stacklok/thv-registry-api Docker tag to v0.3.1

Author: renovate[bot]

deploy/charts/operator/values.yaml

@@ -191,7 +191,7 @@ operator:
 # -- All values for the registry API deployment and associated resources
 registryAPI:
   # -- Container image for the registry API
-  image: "ghcr.io/stacklok/thv-registry-api:v0.2.0"
+  image: "ghcr.io/stacklok/thv-registry-api:v0.3.1"
   # -- Service account configuration for the registry API
   serviceAccount:
     # -- Automatically mount a ServiceAccount's API credentials