build-fb-image: Trigger a release whenever the VERSION file changes

This would happen after a PR gets merged to main that modifies the cmd/fluent-watcher/fluentbit/VERSION file

Signed-off-by: Marco Franssen <[email protected]>

Author: marcofranssen

.github/workflows/build-fb-image.yaml

@@ -1,6 +1,11 @@
 name: Building Fluent Bit image
 
 on:
+  push:
+    branches:
+      - main
+    paths:
+      - cmd/fluent-watcher/fluentbit/VERSION
   workflow_dispatch:
 
 env:

RELEASE.md

@@ -138,8 +138,7 @@ Fluent Operator uses [custom builds](./cmd/fluent-watcher/README.md) of both Flu
 To publish a new fluent-bit image:
 
 * Execute the [bump-fluent-bit-version](https://github.com/fluent/fluent-operator/actions/workflows/bump-fluent-bit-version.yaml) workflow dispatch to generate a PR to update fluent-bit version references in this repo
-* Merge the PR generated by the [bump-fluent-bit-version](https://github.com/fluent/fluent-operator/actions/workflows/bump-fluent-bit-version.yaml) workflow
-* Execute the [build-fb-image](https://github.com/fluent/fluent-operator/actions/workflows/build-fb-image.yaml) workflow dispatch to build and publish the new image
+* Merge the PR generated by the [bump-fluent-bit-version](https://github.com/fluent/fluent-operator/actions/workflows/bump-fluent-bit-version.yaml) workflow. (This will [automatically trigger the release](https://github.com/fluent/fluent-operator/blob/master/.github/workflows/build-fb-image.yaml#L4-L8) of the new fluent-bit image)
 
 ## Fluentd