AJ-1854 add concurrency groups to GH workflows

.github/workflows/es-int-tests.yml

@@ -1,13 +1,14 @@
 name: Elasticsearch Integration Tests
 
 on:
-  push:
-    paths-ignore:
-      - 'README.md'
   pull_request:
     branches: [ develop ]
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref  }}
+  cancel-in-progress: true
+
 jobs:
   es-integration-tests:
     name: Elasticsearch Integration Tests

.github/workflows/orch-build-tag-publish-and-run-tests.yml

@@ -5,10 +5,11 @@ name: orch-build-tag-publish-and-run-tests
 on:
   pull_request:
     paths-ignore: ['**.md']
-  push:
-    branches:
-      - develop
-    paths-ignore: ['**.md']
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
+
 env:
   GCR_REGISTRY: gcr.io/broad-dsp-gcr-public/firecloud-orchestration
   # Region-specific Google Docker repository where GOOGLE_PROJECT/REPOSITORY_NAME can be found

.github/workflows/unittest.yml

@@ -1,12 +1,13 @@
 name: Scala CI
 
 on:
-  push:
-    paths-ignore:
-      - 'README.md'
   pull_request:
     branches: [ develop ]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
+
 jobs:
   build: