bump mui labs to remove warnings

Signed-off-by: Morgan Bentell <mbentell@spotify.com>

plugins/kubernetes/package.json

@@ -43,7 +43,7 @@
     "@kubernetes/client-node": "0.18.1",
     "@material-ui/core": "^4.12.2",
     "@material-ui/icons": "^4.9.1",
-    "@material-ui/lab": "4.0.0-alpha.57",
+    "@material-ui/lab": "4.0.0-alpha.61",
     "@types/react": "^16.13.1 || ^17.0.0",
     "cronstrue": "^2.2.0",
     "js-yaml": "^4.0.0",