Fix permission denied error in the Integration workflow

- File permissions not maintained by upload-artifact
- Reason is zipping

Author: peopleig

.github/workflows/rust.yml

@@ -106,6 +106,11 @@ jobs:
           name: server-binary
           path: target/debug
 
+      # This is very IMP. Kept crashing without it
+      # File permissions are not maintained during artifact upload (upload-artifact@v4)
+      - name: Make binary executable
+        run: chmod +x target/debug/server
+
       - name: Start Server
         env:
           GRPC_ROOT_PASSWORD: my-secret-password