concurrency support

Author: lmajano

.github/workflows/snapshot.yml

@@ -7,6 +7,11 @@ on:
     branches:
       - development
 
+#Cancel running builds if another push to branch is made while this build is running
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   #############################################
   # Tests First baby! We fail, no build :(

.github/workflows/tests.yml

@@ -6,7 +6,7 @@ on:
   workflow_call:
     secrets:
       SLACK_WEBHOOK_URL:
-        required: true
+        required: false
 
 jobs:
   tests: