Update dependency @mui/material to v5.10.8

Author: renovate[bot]

package-lock.json

@@ -12,7 +12,7 @@
     "@emotion/styled": "11.10.4",
     "@fontsource/inter": "4.5.12",
     "@mui/icons-material": "5.10.6",
-    "@mui/material": "5.10.7",
+    "@mui/material": "5.10.8",
     "gatsby": "4.23.0",
     "gatsby-plugin-feed": "4.23.0",
     "gatsby-plugin-gatsby-cloud": "4.23.0",