CI: Allow other modules to register build sub-commands (#62741)

* Allow other modules to register build sub-commands

* CI: Fix retries on artifacts-page clone

* Fix linting errors

* Fix golint issues

* Update to grabpl 3.0.21

scripts/drone/events/release.star

@@ -647,8 +647,14 @@ def artifacts_page_pipeline():
         pipeline(
             name = "publish-artifacts-page",
             trigger = trigger,
-            steps = [download_grabpl_step(), artifacts_page_step()],
+            steps = [
+                download_grabpl_step(),
+                clone_enterprise_step(source = "${DRONE_TAG}"),
+                init_enterprise_step("release"),
+                compile_build_cmd("enterprise"),
+                artifacts_page_step(),
+            ],
             edition = "all",
-            environment = {"EDITION": "all"},
+            environment = {"EDITION": "enterprise"},
         ),
     ]

scripts/drone/steps/lib.star

@@ -8,7 +8,7 @@ load(
     "prerelease_bucket",
 )
 
-grabpl_version = "v3.0.20"
+grabpl_version = "v3.0.21"
 build_image = "grafana/build-container:v1.7.1"
 publish_image = "grafana/grafana-ci-deploy:1.3.3"
 deploy_docker_image = "us.gcr.io/kubernetes-dev/drone/plugins/deploy-image"
@@ -1520,13 +1520,13 @@ def artifacts_page_step():
         "name": "artifacts-page",
         "image": build_image,
         "depends_on": [
-            "grabpl",
+            "compile-build-cmd",
         ],
         "environment": {
             "GCP_KEY": from_secret("gcp_key"),
         },
         "commands": [
-            "./bin/grabpl artifacts-page",
+            "./bin/build artifacts-page",
         ],
     }