ci(github-actions): also build default branch

Author: fh1ch

.github/workflows/test_and_deploy.yml

@@ -1,6 +1,11 @@
 name: Build, Test, and Deploy
 
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
 jobs:
   build:
     runs-on: ubuntu-latest