Bump postcss from 8.1.9 to 8.1.10

Bumps [postcss](https://github.com/postcss/postcss) from 8.1.9 to 8.1.10.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.1.9...8.1.10)

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -9337,9 +9337,9 @@
             "dev": true
         },
         "postcss": {
-            "version": "8.1.9",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.1.9.tgz",
-            "integrity": "sha512-oWuBpEl1meaMKkQXn0ic78TUrgsMvrAZLE/6ZY0H3LTteq2O3L8PGWwMbPLctpksTJIHjQeossMUMNQW7qRIHQ==",
+            "version": "8.1.10",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.1.10.tgz",
+            "integrity": "sha512-iBXEV5VTTYaRRdxiFYzTtuv2lGMQBExqkZKSzkJe+Fl6rvQrA/49UVGKqB+LG54hpW/TtDBMGds8j33GFNW7pg==",
             "dev": true,
             "requires": {
                 "colorette": "^1.2.1",

package.json

@@ -66,7 +66,7 @@
         "gulp-terser": "^1.4.1",
         "gulp-zip": "^5.0.2",
         "merge-stream": "^2.0.0",
-        "postcss": "^8.1.9",
+        "postcss": "^8.1.10",
         "sass": "^1.29.0",
         "terser": "^5.5.0",
         "vinyl-buffer": "^1.0.1",