Bump the mui group with 2 updates (#110)

Bumps the mui group with 2 updates: [@mui/icons-material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-icons-material) and [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material).


Updates `@mui/icons-material` from 6.0.1 to 6.1.9
- [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/v6.1.9/packages/mui-icons-material)

Updates `@mui/material` from 6.0.1 to 6.1.9
- [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/v6.1.9/packages/mui-material)

---
updated-dependencies:
- dependency-name: "@mui/icons-material"
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: mui
- dependency-name: "@mui/material"
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: mui
...

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

demo/package.json

@@ -42,7 +42,7 @@
     },
     "dependencies": {
         "@emotion/styled": "^11.11.0",
-        "@mui/icons-material": "^6.0.1",
+        "@mui/icons-material": "^6.1.9",
         "@mui/material": "^6.0.1",
         "@picocss/pico": "^1.5.10",
         "memory-viz": "*",

webstepper/package.json

@@ -44,7 +44,7 @@
     },
     "dependencies": {
         "@emotion/styled": "^11.11.0",
-        "@mui/icons-material": "^6.0.1",
+        "@mui/icons-material": "^6.1.9",
         "@mui/material": "^6.0.1",
         "@picocss/pico": "^1.5.10",
         "memory-viz": "*",