build: Use a separate pipeline for helm chart

.drone.yml

@@ -1,6 +1,6 @@
 ---
 # ----------------------------------------------
-# -- Build the site and push it to the registry
+# -- Update the helm chart
 # ----------------------------------------------
 kind: pipeline
 type: kubernetes
@@ -21,7 +21,19 @@ steps:
       - helm package chart -d chart-package
       - helm repo add  --username allanger --password $GITEA_TOKEN badhouseplants-net https://git.badhouseplants.net/api/packages/badhouseplants/helm
       - helm cm-push "./chart-package/$(ls chart-package)" badhouseplants-net
+---
+# ----------------------------------------------
+# -- Build the site and push it to the registry
+# ----------------------------------------------
+kind: pipeline
+type: kubernetes
+name: Build badhouseplants.net
 
+trigger:
+  event:
+    - push
+
+steps:
   - name: Download submodules with themes
     image: alpine/git
     commands: