#57 limit actions concurrency per branch

Author: kwabenantim

.github/workflows/build-and-test.yml

@@ -6,6 +6,11 @@ on:
     branches:
       - '**'
 
+# Limit concurrent deployments to one per branch
+concurrency:
+  group: build-and-test-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   build-and-test:

.github/workflows/update-pychaste-tutorials.yml

@@ -9,6 +9,11 @@ on:
       - develop
   workflow_dispatch:
 
+# Limit concurrent deployments to one per branch
+concurrency:
+  group: build-and-test-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
 
   generate-pychaste-tutorials-markdown: