Bump postcss-custom-media from 11.0.5 to 11.0.6

Bumps [postcss-custom-media](https://github.com/csstools/postcss-plugins/tree/HEAD/plugins/postcss-custom-media) from 11.0.5 to 11.0.6.
- [Changelog](https://github.com/csstools/postcss-plugins/blob/main/plugins/postcss-custom-media/CHANGELOG.md)
- [Commits](https://github.com/csstools/postcss-plugins/commits/HEAD/plugins/postcss-custom-media)

---
updated-dependencies:
- dependency-name: postcss-custom-media
  dependency-version: 11.0.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -22,7 +22,7 @@
     "cssnano": "^7.0.6",
     "postcss": "^8.5.3",
     "postcss-cli": "^11.0.1",
-    "postcss-custom-media": "^11.0.5",
+    "postcss-custom-media": "^11.0.6",
     "postcss-custom-selectors": "^8.0.4",
     "postcss-discard-comments": "^7.0.4",
     "postcss-each": "^1.1.0",