ci(actions): only build project on pull-request events (#72)

Author: fh1ch

.github/workflows/test_and_deploy.yml

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