Update dependency @jsonforms/material-renderers to v3.8.0

Author: renovate[bot]

package.json

@@ -5,7 +5,7 @@
   "homepage": "https://freifunk.github.io/generator.api.freifunk.net",
   "dependencies": {
     "@jsonforms/core": "3.6.0",
-    "@jsonforms/material-renderers": "3.6.0",
+    "@jsonforms/material-renderers": "3.8.0",
     "@jsonforms/react": "3.6.0",
     "@mui/icons-material": "6.5.0",
     "@mui/material": "6.5.0",