Activate venv before deps upload

Author: lia-viam

.github/workflows/conan-publish.yml

@@ -145,6 +145,8 @@ jobs:
     - name: Upload additional deps
       if: inputs.upload_deps && !(matrix.runner == 'buildjet-8vcpu-ubuntu-2204' && matrix.image == 'ubuntu:22.04')
       run: |
+        . ./conan_venv/bin/activate
+        
         conan upload "boost/*" -r viamconan -c
         conan upload "grpc/*" -r viamconan -c
         conan upload "protobuf/*" -r viamconan -c