Bump @mui/x-date-pickers from 6.14.0 to 6.16.0 in /frontend (#877)

Bumps [@mui/x-date-pickers](https://github.com/mui/mui-x/tree/HEAD/packages/x-date-pickers) from 6.14.0 to 6.16.0.
- [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/v6.16.0/packages/x-date-pickers)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package-lock.json

@@ -18,7 +18,7 @@
         "@mui/material": "^5.14.0",
         "@mui/system": "^5.14.0",
         "@mui/x-data-grid": "^6.14.0",
-        "@mui/x-date-pickers": "^6.14.0",
+        "@mui/x-date-pickers": "^6.16.0",
         "@nivo/core": "^0.83.0",
         "@nivo/line": "^0.83.0",
         "base-ex": "^0.8.1",
@@ -3371,9 +3371,9 @@
       }
     },
     "node_modules/@mui/x-date-pickers": {
-      "version": "6.14.0",
-      "resolved": "https://registry.npmjs.org/@mui/x-date-pickers/-/x-date-pickers-6.14.0.tgz",
-      "integrity": "sha512-vgVEMGrm6FISD0vVTnrShwWYB6IoaXSRZogwwgF5ruKjtxwKifXNk7d6836uVo/Mv2TSKYBMk1dVwl6gand6DQ==",
+      "version": "6.16.0",
+      "resolved": "https://registry.npmjs.org/@mui/x-date-pickers/-/x-date-pickers-6.16.0.tgz",
+      "integrity": "sha512-5xN/OuVtcy/bX/Yx4cJrGWLmHTMTZkufhQMtInFOM8u93TJJSPwA7X86vQdl6OztYNyYKnEpxNKxSrxcDHfKFQ==",
       "dependencies": {
         "@babel/runtime": "^7.22.15",
         "@mui/base": "^5.0.0-beta.14",

frontend/package.json

@@ -56,7 +56,7 @@
     "@mui/material": "^5.14.0",
     "@mui/system": "^5.14.0",
     "@mui/x-data-grid": "^6.14.0",
-    "@mui/x-date-pickers": "^6.14.0",
+    "@mui/x-date-pickers": "^6.16.0",
     "@nivo/core": "^0.83.0",
     "@nivo/line": "^0.83.0",
     "base-ex": "^0.8.1",