fix : install uv to a different location

Signed-off-by: tejaswinp <tejaswinp@nvidia.com>

Author: tp5uiuc

.github/workflows/ci.yaml

@@ -7,7 +7,7 @@ env:
   TRT_RTX_FILENAME: TensorRT-RTX-1.2.0.44-Linux-x86_64-cuda-12.9-Release-external.tar.gz
   TRTRTX_INSTALL_DIR: /opt/tensorrt_rtx
   BUILD_DIR: build
-  UV_PROJECT: .github/workflows/
+  UV_PROJECT_ENVIRONMENT: .workspace/
 jobs:
   build-linux:
     runs-on: ubuntu-24.04