#4 update actions

Author: deniskorbakov

.github/workflows/lint.yml

@@ -1,6 +1,10 @@
 name: LINT
 
-on: ['push']
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
 
 jobs:
   coding-standard:

.github/workflows/tests.yml

@@ -1,6 +1,10 @@
 name: TESTS
 
-on: ['push']
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
 
 jobs:
   test: