Run git-auto-commit, linter and tests checks on pull requests

.github/workflows/git-auto-commit.yml

@@ -1,6 +1,10 @@
 name: git-auto-commit
 
-on: push
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   git-auto-commit:

.github/workflows/linter.yml

@@ -1,5 +1,10 @@
 name: Lint Code Base
-on: push
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   build:

.github/workflows/tests.yml

@@ -1,6 +1,10 @@
 name: tests
 
-on: push
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   tests:
@@ -14,4 +18,3 @@ jobs:
 
     - name: Run Tests
       run: yarn test
-