make actions only run on master and release_1

to be updated for future branches that get ran like this ig (?

.github/workflows/linux.yml

@@ -1,6 +1,8 @@
 name: Build Linux
 
-on: [push]
+on:
+  push:
+    branches: [ "master", "release_1" ]
 
 jobs:
   build:

.github/workflows/macos.yml

@@ -1,6 +1,8 @@
 name: Build MacOS
 
-on: [push]
+on:
+  push:
+    branches: [ "master", "release_1" ]
 
 jobs:
   build:

.github/workflows/windows.yml

@@ -1,6 +1,8 @@
 name: Build Windows
 
-on: [push]
+on:
+  push:
+    branches: [ "master", "release_1" ]
 
 jobs:
   build: