Bump @mui/x-date-pickers from 6.19.0 to 7.6.1

Bumps [@mui/x-date-pickers](https://github.com/mui/mui-x/tree/HEAD/packages/x-date-pickers) from 6.19.0 to 7.6.1.
- [Release notes](https://github.com/mui/mui-x/releases)
- [Changelog](https://github.com/mui/mui-x/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mui/mui-x/commits/v7.6.1/packages/x-date-pickers)

---
updated-dependencies:
- dependency-name: "@mui/x-date-pickers"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -7,7 +7,7 @@
     "@hello-pangea/dnd": "^16.5.0",
     "@mui/material": "^5.15.6",
     "@mui/styles": "^5.15.18",
-    "@mui/x-date-pickers": "^6.19.0",
+    "@mui/x-date-pickers": "^7.6.1",
     "@reduxjs/toolkit": "^1.9.7",
     "@types/dompurify": "^3.0.5",
     "@types/react-router-dom": "^5.3.3",