Bump @mui/styles from 6.4.6 to 6.4.7 (#1284)

Bumps [@mui/styles](https://github.com/mui/material-ui/tree/HEAD/packages/mui-styles) from 6.4.6 to 6.4.7.
- [Release notes](https://github.com/mui/material-ui/releases)
- [Changelog](https://github.com/mui/material-ui/blob/v6.4.7/CHANGELOG.md)
- [Commits](https://github.com/mui/material-ui/commits/v6.4.7/packages/mui-styles)

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

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

Author: dependabot[bot]

package.json

@@ -16,7 +16,7 @@
     "@emotion/styled": "^11.14.0",
     "@mui/icons-material": "^5.16.14",
     "@mui/material": "^5.16.14",
-    "@mui/styles": "^6.4.6",
+    "@mui/styles": "^6.4.7",
     "firebase": "^11.4.0",
     "next": "^15.2.1",
     "react": "^18.2.0",

yarn.lock

@@ -1094,10 +1094,10 @@
     csstype "^3.1.3"
     prop-types "^15.8.1"
 
-"@mui/styles@^6.4.6":
-  version "6.4.6"
-  resolved "https://registry.yarnpkg.com/@mui/styles/-/styles-6.4.6.tgz#fe21559715d3d21fa11d5101e3ea5051a212e3a3"
-  integrity sha512-mz5qEJbyV9aRyBUhy2wJ2gJBzU6/yrEPUgaWs53PUrDLk9fFcTXWiZKJy7vZUBdgCNL6thbqW2B1ms98lSeWFA==
+"@mui/styles@^6.4.7":
+  version "6.4.7"
+  resolved "https://registry.yarnpkg.com/@mui/styles/-/styles-6.4.7.tgz#77ca67ee6b27339be5778f7902d8352514f7ccfc"
+  integrity sha512-qXnTaGlzU1vYMm6X8QWIPOJDW2g3VgIe/umgDPE8D/Ns260IvNdQ2hjYu6zl7WE0eWwdw4YFitbirr09w6MhHw==
   dependencies:
     "@babel/runtime" "^7.26.0"
     "@emotion/hash" "^0.9.2"