chore(deps): update xpkg.upbound.io/upbound/configuration-gcp-gke-workload-identity docker tag to v0.2.0 (#21)

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

Author: renovate[bot]

examples/configuration.yaml

@@ -3,4 +3,4 @@ kind: Configuration
 metadata:
   name: cofiguration-gcp-gke-workload-identity
 spec:
-  package: xpkg.upbound.io/upbound/configuration-gcp-gke-workload-identity:v0.1.0
+  package: xpkg.upbound.io/upbound/configuration-gcp-gke-workload-identity:v0.2.0