Bump postcss-selector-parser from 6.0.11 to 6.0.12

Bumps [postcss-selector-parser](https://github.com/postcss/postcss-selector-parser) from 6.0.11 to 6.0.12.
- [Release notes](https://github.com/postcss/postcss-selector-parser/releases)
- [Changelog](https://github.com/postcss/postcss-selector-parser/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss-selector-parser@v6.0.11...v6.0.12)

---
updated-dependencies:
- dependency-name: postcss-selector-parser
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

yarn.lock

@@ -9468,9 +9468,9 @@ postcss-safe-parser@^6.0.0:
   integrity sha512-FARHN8pwH+WiS2OPCxJI8FuRJpTVnn6ZNFiqAM2aeW2LwTHWWmWgIyKC6cUo0L8aeKiF/14MNvnpls6R2PBeMQ==
 
 postcss-selector-parser@^6.0.11, postcss-selector-parser@^6.0.2, postcss-selector-parser@^6.0.4:
-  version "6.0.11"
-  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-6.0.11.tgz#2e41dc39b7ad74046e1615185185cd0b17d0c8dc"
-  integrity sha512-zbARubNdogI9j7WY4nQJBiNqQf3sLS3wCP4WfOidu+p28LofJqDH1tcXypGrcmMHhDk2t9wGhCsYe/+szLTy1g==
+  version "6.0.12"
+  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-6.0.12.tgz#2efae5ffab3c8bfb2b7fbf0c426e3bca616c4abb"
+  integrity sha512-NdxGCAZdRrwVI1sy59+Wzrh+pMMHxapGnpfenDVlMEXoOcvt4pGE0JLK9YY2F5dLxcFYA/YbVQKhcGU+FtSYQg==
   dependencies:
     cssesc "^3.0.0"
     util-deprecate "^1.0.2"