chore(ci): run workflows only on merge to main

Author: DiogoRibeiro7

.github/workflows/run_tests.yml

@@ -1,13 +1,13 @@
 name: Run Tests
 
 on:
-  push:
-    branches: [main]
   pull_request:
     branches: [main]
+    types: [closed]
 
 jobs:
   test:
+    if: github.event.pull_request.merged == true
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/todo.yml

@@ -1,8 +1,9 @@
 name: Smart TODO Tracker
 
 on:
-  push:
+  pull_request:
     branches: [main]
+    types: [closed]
 
   workflow_dispatch:
     inputs:
@@ -42,6 +43,7 @@ on:
 
 jobs:
   smart-todo:
+    if: github.event.pull_request.merged == true
     runs-on: ubuntu-latest
     permissions:
       contents: write