Fix imports

components/akey/index.js

@@ -2,7 +2,7 @@ import PropTypes from 'prop-types'
 import Container from '@mui/material/Container'
 import Typography from '@mui/material/Typography'
 import Box from '@mui/material/Box'
-import Grid from '@mui/material/Unstable_Grid2'
+import Grid from '@mui/material/Grid2'
 import Button from '@mui/material/Button'
 import Image from 'next/image'
 import Link from 'next/link'

components/akey/kat-akey.js

@@ -3,7 +3,7 @@
 import PropTypes from 'prop-types'
 import {useRouter} from 'next/navigation'
 import {useTheme} from '@mui/material/styles'
-import Grid from '@mui/material/Unstable_Grid2'
+import Grid from '@mui/material/Grid2'
 import Card from '@mui/material/Card'
 import CardActionArea from '@mui/material/CardActionArea'
 import CardContent from '@mui/material/CardContent'

components/akey/statistik.js

@@ -1,6 +1,6 @@
 import PropTypes from 'prop-types'
 
-import Grid from '@mui/material/Unstable_Grid2'
+import Grid from '@mui/material/Grid2'
 import KatAkey from './kat-akey'
 
 export default function Statistik({statistik}) {