Also generate bindings for PRs

Author: Octogonapus

.github/workflows/generate_bindings.yml

@@ -6,6 +6,11 @@ on:
     paths:
       - .github/workflows/generate_bindings.yml
       - gen/**
+  pull_request:
+    branches: [main]
+    paths:
+      - .github/workflows/generate_bindings.yml
+      - gen/**
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
   cancel-in-progress: true