switch to version of prometheus-api-client that doesn't need matplotlib

Author: aantn

poetry.lock

@@ -27,7 +27,7 @@ python = ">=3.9,<3.14"        # we pin to <3.14 because of pyinstaller requireme
 typer = { extras = ["all"], version = "^0.7.0" }
 pydantic = "^1.10.7"
 kubernetes = "^26.1.0"
-prometheus-api-client = "0.5.3"
+prometheus-api-client-optional-matplotlib = "0.6.0"
 numpy = ">=1.26.4,<1.27.0"
 alive-progress = "^3.1.2"
 prometrix = "0.2.1"