ci(build.yml): also run on pushes to main

Signed-off-by: Vaughn Dice <[email protected]>

Author: vdice

.github/workflows/build.yml

@@ -1,6 +1,8 @@
 # yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
 name: Test
 on:
+  push:
+    branches: [main]
   pull_request:
     branches: [main]
 env: