fix poller action

.gitea/workflows/build-push-agent.yaml

@@ -1,6 +1,7 @@
 name: Build and Push Agent Docker Image
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - main

.gitea/workflows/build-push-poller.yaml

@@ -1,6 +1,7 @@
 name: Build and Push Poller Docker Image
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - main

.gitea/workflows/build-push-web.yaml

@@ -1,6 +1,7 @@
 name: Build and Push Web Docker Image
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - main