(build) Added release flow in GActions to trigger regular build on new GH release

Author: arturcic

.github/workflows/build.yml

@@ -11,6 +11,9 @@ on:
     branches:
     - master
 
+  repository_dispatch:
+    types: [release]
+
 env:
   DOTNET_ROLL_FORWARD_ON_NO_CANDIDATE_FX: 2
   ENABLED_MULTI_STAGE_BUILD: true

.github/workflows/release.yml

@@ -0,0 +1,16 @@
+name: Release
+on:
+  release:
+    types: [published]
+
+jobs:
+  callBuildFlow:
+    name: Call Build flow
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Call Build flow
+        uses: peter-evans/repository-dispatch@v1
+        with:
+          event-type: release
+          token: ${{ secrets.REPO_ACCESS_TOKEN }}