Bump @mui/material from 7.3.7 to 7.3.8 (#610)

Bumps [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) from 7.3.7 to 7.3.8.
- [Release notes](https://github.com/mui/material-ui/releases)
- [Changelog](https://github.com/mui/material-ui/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mui/material-ui/commits/v7.3.8/packages/mui-material)

---
updated-dependencies:
- dependency-name: "@mui/material"
  dependency-version: 7.3.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

package.json

@@ -19,7 +19,7 @@
     "@effect/platform": "^0.92.1",
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.1",
-    "@mui/material": "^7.3.7",
+    "@mui/material": "^7.3.8",
     "@statisticsnorway/ssb-component-library": "^2.5.4",
     "body-parser": "^2.2.2",
     "dotenv": "^17.2.4",