SONARPY-3943 Introduce CI specific mise config env (#978)

GitOrigin-RevId: 016cc355fc12b0e79be8f203320b7105a30f9efa

Author: Seppli11

mise.ci.toml

@@ -0,0 +1,4 @@
+[settings]
+# Keep tox in base mise.toml for local development, but skip mise-managed tox
+# in CI and install it explicitly via uv where needed.
+disable_tools = ["pipx:tox"]

mise.toml

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