.github/workflows/prometheus.yaml: update

.github/workflows/prometheus.yaml

@@ -1,4 +1,4 @@
-name: Build & push base images
+name: Rebuild & push prometheus images
 on:
   schedule:
     - cron: "0 0 * * *"
@@ -13,7 +13,7 @@ on:
 jobs:
   alpine:
     runs-on: ubuntu-latest
-    name: Build alpine base image
+    name: Build prometheus image
     steps:
       - uses: actions/checkout@master
 
@@ -21,7 +21,7 @@ jobs:
         shell: cp /usr/share/zoneinfo/Asia/Shanghai zoneinfo-Shanghai
         working-directory: oci/prometheus/
 
-      - name: 'Artifact: build && push alpine with custom ca image'
+      - name: 'Artifact: build && push -> artifact.onwalk.net/public/prometheus'
         uses: aevea/action-kaniko@master
         with:
           registry: artifact.onwalk.net