fix: upgrade @mui material from 5.16.0 to 5.16.4 (#230)

Co-authored-by: snyk-bot <[email protected]>

Author: epacke

pipeline-ui/frontend/package-lock.json

@@ -7,8 +7,8 @@
     "@emotion/styled": "^11.11.5",
     "@fontsource/roboto": "^4.5.8",
     "@mui/styled-engine-sc": "^5.14.10",
-    "@mui/icons-material": "^5.16.0",
-    "@mui/material": "^5.16.0",
+    "@mui/icons-material": "^5.16.4",
+    "@mui/material": "^5.16.4",
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.3.2",
     "@testing-library/user-event": "^7.1.2",