Bump postcss from 8.4.45 to 8.4.47

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.45 to 8.4.47.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.45...8.4.47)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -50,7 +50,7 @@
 		"cssnano-preset-advanced": "7.0.6",
 		"dotenv": "16.4.5",
 		"firebase": "10.13.1",
-		"postcss": "8.4.45",
+		"postcss": "8.4.47",
 		"postcss-combine-duplicated-selectors": "10.0.3",
 		"postcss-combine-media-query": "1.0.1",
 		"postcss-import": "16.1.0",