chore(deps): update dependency upbound/configuration-gcp-network to v0.3.0 (#72)

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

Author: renovate[bot]

crossplane.yaml

@@ -32,7 +32,7 @@ spec:
   dependsOn:
     - configuration: xpkg.upbound.io/upbound/configuration-gcp-network
       # renovate: datasource=github-releases depName=upbound/configuration-gcp-network
-      version: "v0.2.0"
+      version: "v0.3.0"
     - configuration: xpkg.upbound.io/upbound/configuration-gcp-gke
       # renovate: datasource=github-releases depName=upbound/configuration-gcp-gke
       version: "v0.3.0"