ci/misc: fix double push/pull runs

.github/workflows/abi.yml

@@ -1,6 +1,12 @@
 name: ABI Checks
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
 
 jobs:
   abicheck:

.github/workflows/ios.yml

@@ -1,6 +1,12 @@
 name: iOS
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
 
 jobs:
   ios:

.github/workflows/lint.yml

@@ -1,6 +1,12 @@
 name: lint
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
 
 jobs:
   lint:

.github/workflows/mingw.yml

@@ -1,6 +1,12 @@
 name: MinGW-w64 Test
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
 
 jobs:
   MinGW-w64-build:

.github/workflows/run-on-arch.yml

@@ -1,4 +1,10 @@
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
 
 jobs:
   build_job:

.github/workflows/ssl.yml

@@ -1,6 +1,12 @@
 name: OpenSSL no-deprecated and LibreSSL
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
 
 jobs:
   ssl:

.github/workflows/valgrind.yml

@@ -1,6 +1,12 @@
 name: valgrind leak check
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
 
 jobs:
   valgrind: