fix: Set CGO_ENABLED with env directive (#68)

* fix: Use env setting for CGO_ENABLED

Resolves run failures in Windows CI.

* ci(e2e): Run e2e on all PRs to main

.github/workflows/e2e_test.yml

@@ -2,7 +2,10 @@ name: E2E Test
 
 on:
   push:
-    branches:    
+    branches:
+      - main
+  pull_request:
+    branches:
       - main
   workflow_dispatch:
   
@@ -43,7 +46,9 @@ jobs:
           restore-keys: |
             go-${{ runner.os }}-
       - name: Build the project
-        run: CGO_ENABLED=0 go build
+        env:
+          CGO_ENABLED: 0
+        run: go build
       - name: Install extension
         env:
           GITHUB_TOKEN: ${{ secrets.REPO_WRITE_TOKEN }}