Bump @mui/material from 5.15.6 to 5.15.19

Bumps [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) from 5.15.6 to 5.15.19.
- [Release notes](https://github.com/mui/material-ui/releases)
- [Changelog](https://github.com/mui/material-ui/blob/v5.15.19/CHANGELOG.md)
- [Commits](https://github.com/mui/material-ui/commits/v5.15.19/packages/mui-material)

---
updated-dependencies:
- dependency-name: "@mui/material"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -5,7 +5,7 @@
   "homepage": "/admin-ui",
   "dependencies": {
     "@hello-pangea/dnd": "^16.5.0",
-    "@mui/material": "^5.15.6",
+    "@mui/material": "^5.15.19",
     "@mui/styles": "^5.15.18",
     "@mui/x-date-pickers": "^6.19.0",
     "@reduxjs/toolkit": "^1.9.7",