Run more checks during pull requests

Author: dmerejkowsky

.github/workflows/doc-check.yml

@@ -1,5 +1,10 @@
 name: doc-check
-on: [push]
+
+on:
+  push:
+    branches: [master]
+    tags: v*
+  pull_request:
 
 jobs:
   check_doc:

.github/workflows/linters.yml

@@ -1,6 +1,10 @@
 name: linters
 
-on: [push]
+on:
+  push:
+    branches: [master]
+    tags: v*
+  pull_request:
 
 jobs:
   run_linters:

.github/workflows/tests.yml

@@ -1,6 +1,10 @@
 name: tests
 
-on: [push]
+on:
+  push:
+    branches: [master]
+    tags: v*
+  pull_request:
 
 jobs:
   run_tests: