build: support uv.lock

Author: henryborchers

.github/workflows/tox_matrix.yml

@@ -82,15 +82,15 @@ jobs:
           CONAN_USER_HOME: "${{steps.conan-path-script.outputs.result}}"
         run: |
           call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
-          uv run conan profile detect
-          uv run conan install . --build  missing 
+          uv run --only-group=conan conan profile detect
+          uv run --only-group=conan conan install . --build  missing 
 
       - name: Prebuild Conan packages
         env:
           CONAN_USER_HOME: "${{steps.conan-path-script.outputs.result}}"
         if: "!contains(matrix.os, 'windows') && steps.cache-conan.outputs.cache-hit != 'true'"
         run: |
-          uv run conan install . --build  missing
+          uv run --only-group=conan install . --build  missing
 
       - name: Run Tox (Windows)
         if: contains(matrix.os, 'windows')