Also run checks on pull requests

.github/workflows/cargo_check.yml

 name: Cargo check
-on: [push]
-#  push:
-#    paths:
-#      - 'examples/*.rs'
-#      - 'libraries/**/*.rs'
-#      - 'src/**/*.rs'
-#      - 'patches/**'
-#      - '**/Cargo.toml'
-#      - '.cargo/config'
-#      - '!third_party/**'
+on:
+  push:
+    paths:
+      - 'examples/*.rs'
+      - 'libraries/**/*.rs'
+      - 'src/**/*.rs'
+      - 'patches/**'
+      - '**/Cargo.toml'
+      - '.cargo/config'
+      - '!third_party/**'
+  pull_request:
+    types: [opened, synchronize, reopened]
 
 jobs:
   cargo_check:

.github/workflows/cargo_fmt.yml

 name: Cargo format
-on: [push]
-#  push:
-#    paths:
-#      - 'examples/*.rs'
-#      - 'libraries/**/*.rs'
-#      - 'src/**/*.rs'
-#      - 'patches/**'
-#      - '**/Cargo.toml'
-#      - '.cargo/config'
-#      - '!third_party/**'
+on:
+  push:
+    paths:
+      - 'examples/*.rs'
+      - 'libraries/**/*.rs'
+      - 'src/**/*.rs'
+      - 'patches/**'
+      - '**/Cargo.toml'
+      - '.cargo/config'
+      - '!third_party/**'
+  pull_request:
+    types: [opened, synchronize, reopened]
 
 jobs:
   cargo_format:

.github/workflows/mdlint.yml

@@ -5,6 +5,8 @@ on:
       - '**/*.md'
       - '.markdownlint.json'
       - '!third_party/**'
+  pull_request:
+    types: [opened, synchronize, reopened]
 
 jobs:
   mdlint:

.github/workflows/pylint.yml

@@ -5,6 +5,8 @@ on:
       - '**/*.py'
       - '.pylintrc'
       - '!third_party/**'
+  pull_request:
+    types: [opened, synchronize, reopened]
 jobs:
   pylint:
     runs-on: ubuntu-latest