ci: Specify concurrency for github workflows (#2059)

.github/workflows/build.yml

@@ -7,6 +7,11 @@ on:
     branches: [master, release/*, develop]
   workflow_dispatch:
 
+concurrency:
+  # Only cancel in-progress jobs or runs for the current workflow - matches against branch & tags
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build-and-test:
     name: Build and Test