CI: Pin the google/cloud-sdk image (#69037)

scripts/drone/events/release.star

@@ -13,6 +13,7 @@ load(
     "build_plugins_step",
     "build_storybook_step",
     "clone_enterprise_step",
+    "cloudsdk_image",
     "compile_build_cmd",
     "copy_packages_for_docker_step",
     "download_grabpl_step",
@@ -816,7 +817,7 @@ def verify_release_pipeline(
     step = {
         "name": "gsutil-stat",
         "depends_on": ["clone"],
-        "image": "google/cloud-sdk",
+        "image": cloudsdk_image,
         "environment": {
             "BUCKET": bucket,
             "GCP_KEY": gcp_key,

scripts/drone/steps/lib.star

@@ -9,6 +9,7 @@ load(
 )
 
 grabpl_version = "v3.0.38"
+cloudsdk_image = "google/cloud-sdk:431.0.0"
 build_image = "grafana/build-container:1.7.4"
 publish_image = "grafana/grafana-ci-deploy:1.3.3"
 deploy_docker_image = "us.gcr.io/kubernetes-dev/drone/plugins/deploy-image"
@@ -453,7 +454,7 @@ def store_storybook_step(ver_mode, trigger = None):
 def e2e_tests_artifacts():
     return {
         "name": "e2e-tests-artifacts-upload",
-        "image": "google/cloud-sdk:406.0.0",
+        "image": cloudsdk_image,
         "depends_on": [
             "end-to-end-tests-dashboards-suite",
             "end-to-end-tests-panels-suite",
@@ -1073,7 +1074,7 @@ def build_docker_images_step(edition, archs = None, ubuntu = False, publish = Fa
 
     return {
         "name": "build-docker-images" + ubuntu_sfx,
-        "image": "google/cloud-sdk",
+        "image": cloudsdk_image,
         "depends_on": [
             "copy-packages-for-docker",
             "compile-build-cmd",
@@ -1086,7 +1087,7 @@ def build_docker_images_step(edition, archs = None, ubuntu = False, publish = Fa
 def fetch_images_step(edition):
     return {
         "name": "fetch-images-{}".format(edition),
-        "image": "google/cloud-sdk",
+        "image": cloudsdk_image,
         "environment": {
             "GCP_KEY": from_secret("gcp_key"),
             "DOCKER_USER": from_secret("docker_username"),
@@ -1165,7 +1166,7 @@ def publish_images_step(edition, ver_mode, mode, docker_repo, trigger = None):
 
     step = {
         "name": "publish-images-{}".format(name),
-        "image": "google/cloud-sdk",
+        "image": cloudsdk_image,
         "environment": environment,
         "commands": [cmd],
         "depends_on": deps,