Target bref master for release

Author: mnapoli

.github/workflows/release.yml

@@ -81,7 +81,7 @@ jobs:
                             owner: 'brefphp',
                             repo: 'bref',
                             workflow_id: 'update-layer-versions.yml',
-                            ref: 'v2',
+                            ref: 'master',
                             inputs: {
                                 release_url: '${{ github.event.release.url }}',
                                 release_html_url: '${{ github.event.release.html_url }}',