Don't double-run CI on my PRs

Author: jonhoo

.github/workflows/asan.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: Address sanitizer
 jobs:
   test:

.github/workflows/coverage.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: coverage
 jobs:
   test:

.github/workflows/deny.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: cargo deny
 jobs:
   check:

.github/workflows/features.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: cargo hack
 jobs:
   check:

.github/workflows/lsan.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: Leak sanitizer
 jobs:
   test:

.github/workflows/minimal.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: With dependencies at minimal versions
 jobs:
   test:

.github/workflows/miri.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: Miri
 jobs:
   test:

.github/workflows/msrv.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: Minimum Supported Rust Version
 jobs:
   check:

.github/workflows/style.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: lint
 jobs:
   style:

.github/workflows/test.yml

@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 name: cargo test
 jobs:
   test: