fix(deps): update mui to v7

Author: renovate[bot]

frontend/package.json

@@ -13,8 +13,8 @@
     "@bcgov/design-system-react-components": "^0.5.1",
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.0",
-    "@mui/icons-material": "^6.4.4",
-    "@mui/material": "^6.4.4",
+    "@mui/icons-material": "^7.0.0",
+    "@mui/material": "^7.0.0",
     "@rjsf/core": "^5.24.3",
     "@rjsf/mui": "^5.24.3",
     "@rjsf/utils": "^5.24.3",