Use existing gunzipAsync for DEFLATE decompression

- Replace Bun.gunzip() with existing gunzipAsync utility
- gunzipAsync is already imported and used elsewhere in the codebase
- This should properly handle DEFLATE compression in ZIP files
- Fixes metadata.json and all compressed file processing

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

pkgs/utils/deploy.ts

@@ -479,15 +479,10 @@ export const deploy = {
       // No compression, return data as-is
       return compressedData;
     } else if (compressionMethod === 8) {
-      // DEFLATE compression - decompress using Bun
+      // DEFLATE compression - decompress using gunzipAsync
       try {
-        const decompressed = Bun.gunzip(compressedData);
-        if (decompressed) {
-          return new Uint8Array(decompressed);
-        } else {
-          console.warn(`[WARN] Failed to decompress ${entry.filename} with method ${compressionMethod}`);
-          return compressedData;
-        }
+        const decompressed = await gunzipAsync(compressedData);
+        return new Uint8Array(decompressed);
       } catch (error) {
         console.warn(`[WARN] Failed to decompress ${entry.filename} with method ${compressionMethod}:`, error.message);
         return compressedData;