[CI-only] Build and publish dev dockerhub images (#11790)

.github/workflows/build.yml

@@ -256,3 +256,6 @@ jobs:
             public.ecr.aws/hashicorp/${{ env.REPO_NAME }}:light
             public.ecr.aws/hashicorp/${{ env.REPO_NAME }}:light-${{ env.version }}
             public.ecr.aws/hashicorp/${{ env.REPO_NAME }}:${{ env.version }}
+          dev_tags: |
+            docker.io/hashicorppreview/${{ env.REPO_NAME }}:${{ env.version }}
+            docker.io/hashicorppreview/${{ env.REPO_NAME }}:${{ env.version }}-${{ github.sha }}

.release/ci.hcl

@@ -161,6 +161,20 @@ event "verify" {
   }
 }
 
+event "promote-dev-docker" {
+  depends = ["verify"]
+  action "promote-dev-docker" {
+    organization = "hashicorp"
+    repository = "crt-workflows-common"
+    workflow = "promote-dev-docker"
+    depends = ["verify"]
+  }
+
+  notification {
+    on = "fail"
+  }
+}
+
 ## These are promotion and post-publish events
 ## they should be added to the end of the file after the verify event stanza.