run the workflows on PR also

.github/workflows/check-links.yml

@@ -1,7 +1,7 @@
 ---
 name: Markdown Links Validation
 
-on: [push, workflow_dispatch]
+on: [push, workflow_dispatch, pull_request]
 
 jobs:
   markdown-link-check:

.github/workflows/prettify-json.yml

@@ -1,6 +1,7 @@
 name: Prettify people.json
 on:
   workflow_dispatch:
+  pull_request:
   push:
     paths:
       - 'people.json'

.github/workflows/prevent-readme-pr.yml

@@ -1,6 +1,6 @@
 name: Prevent README commits
 on:
-  push:
+  pull_request:
       paths:
       - 'README.md'
 

.github/workflows/validate-json-schema.yml

@@ -1,6 +1,7 @@
 name: Validate people.json Schema
 on:
   workflow_dispatch:
+  pull_request:
   push:
       paths:
       - 'people.json'

.github/workflows/validate-json.yml

@@ -1,6 +1,7 @@
 name: Validate people.json
 on:
   workflow_dispatch:
+  pull_request:
   push:
       paths:
       - 'people.json'