chore(deps): update helm release kube-gcp to 3.12.0

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

Author: renovate[bot]

gitops/argocd/charts/chaos/litmus-chaos-gcp/Chart.yaml

@@ -23,4 +23,4 @@ appVersion: 1.0.0
 dependencies:
 - name: kube-gcp
   repository: https://litmuschaos.github.io/litmus-helm
-  version: 3.6.0
+  version: 3.12.0