Update ci to run on merge to master and in pull requests

Author: lucas-koehler

.github/workflows/main.yml

@@ -1,5 +1,12 @@
 name: Build & Test
-on: push
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+permissions:
+  contents: read
 
 jobs:
   main:
@@ -11,5 +18,6 @@ jobs:
         with:
           node-version: 20
       - run: npm ci
+      - run: npm run lint
       - run: npm run build
       - run: npm run cypress:ci