Update build.yml

.github/workflows/build.yml

@@ -3,16 +3,16 @@ name: Build randopix
 on:
   push:
     branches:
-      - master
+      - build
 
 jobs:
   build:
-    name: Build x86
+    name: Build 64 Bit Linux
     # This job runs on Linux
     runs-on: ubuntu-latest
     steps:
     - name: Install GTK packages
-      run: sudo apt install --ignore-missing gnome-devel
+      run: sudo apt install gir1.2-gtk-3.0
     - uses: actions/checkout@master
     - name: Cache choosenim
       id: cache-choosenim