SONARPY-3924 Use uv install for tox (#966)

GitOrigin-RevId: 5027127384e91dd18f6bae54669cd2fdd0d6175e

Author: Seppli11

mise.toml

@@ -3,4 +3,4 @@ java = "21.0"
 maven = "3.9"
 python = "3.9"
 uv = "latest" # required for pipx backend
-"pipx:tox" = { version = "4.49.1", uvx = "true" }
+# tox is installed via "uv tool install tox==4.49.1" in the build workflow due to caching problems with python dependencies