chore: fix version bump script output (#47)

* chore: fix version bump script output

* update CI script

Author: ymc9

.github/workflows/bump-version.yml

@@ -10,6 +10,7 @@ permissions:
 jobs:
     bump-version:
         runs-on: ubuntu-latest
+        if: github.ref == 'refs/heads/dev'
 
         steps:
             - name: Checkout

scripts/bump-version.ts

@@ -48,7 +48,11 @@ for (const file of packageFiles) {
         // do a string replace from oldVersion to newVersion
         const newContent = content.replace(`"version": "${oldVersion}"`, `"version": "${newVersion}"`);
         fs.writeFileSync(file, newContent);
+        console.log(`Updated ${file}: ${oldVersion} -> ${newVersion}`);
     }
 }
 
-console.log(`new_version=${newVersion}`);
+if (process.env.GITHUB_OUTPUT) {
+    // CI output
+    fs.appendFileSync(process.env.GITHUB_OUTPUT, `new_version=${newVersion}\n`);
+}