web: bump postcss from 8.5.8 to 8.5.10 (#21821)

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.8 to 8.5.10.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.5.8...8.5.10)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.10
  dependency-type: indirect
...

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package-lock.json

@@ -5373,9 +5373,9 @@
             }
         },
         "node_modules/postcss": {
-            "version": "8.5.8",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
-            "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
+            "version": "8.5.10",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.10.tgz",
+            "integrity": "sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==",
             "funding": [
                 {
                     "type": "opencollective",