chore(deps-dev): bump postcss-loader in /src/packages/excalidraw (#4329)

Bumps [postcss-loader](https://github.com/webpack-contrib/postcss-loader) from 6.2.0 to 6.2.1.
- [Release notes](https://github.com/webpack-contrib/postcss-loader/releases)
- [Changelog](https://github.com/webpack-contrib/postcss-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/postcss-loader/compare/v6.2.0...v6.2.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/packages/excalidraw/package.json

@@ -59,7 +59,7 @@
     "css-loader": "6.5.1",
     "file-loader": "6.2.0",
     "mini-css-extract-plugin": "2.4.5",
-    "postcss-loader": "6.2.0",
+    "postcss-loader": "6.2.1",
     "sass-loader": "12.3.0",
     "terser-webpack-plugin": "5.2.5",
     "ts-loader": "9.2.6",

src/packages/excalidraw/yarn.lock

@@ -2026,10 +2026,10 @@ kind-of@^6.0.2:
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.3.tgz#07c05034a6c349fa06e24fa35aa76db4580ce4dd"
   integrity sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw==
 
-klona@^2.0.4:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/klona/-/klona-2.0.4.tgz#7bb1e3affb0cb8624547ef7e8f6708ea2e39dfc0"
-  integrity sha512-ZRbnvdg/NxqzC7L9Uyqzf4psi1OM4Cuc+sJAkQPjO6XkQIJTNbfK2Rsmbw8fx1p2mkZdp2FZYo2+LwXYY/uwIA==
+klona@^2.0.4, klona@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/klona/-/klona-2.0.5.tgz#d166574d90076395d9963aa7a928fabb8d76afbc"
+  integrity sha512-pJiBpiXMbt7dkzXe8Ghj/u4FfXOOa98fPW+bihOJ4SjnoijweJrNThJfd3ifXpXhREjpoF2mZVH1GfS9LV3kHQ==
 
 lines-and-columns@^1.1.6:
   version "1.1.6"
@@ -2281,13 +2281,13 @@ pkg-dir@^4.1.0, pkg-dir@^4.2.0:
   dependencies:
     find-up "^4.0.0"
 
-postcss-loader@6.2.0:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-6.2.0.tgz#714370a3f567141cf4cadcdf9575f5234d186bc5"
-  integrity sha512-H9hv447QjQJVDbHj3OUdciyAXY3v5+UDduzEytAlZCVHCpNAAg/mCSwhYYqZr9BiGYhmYspU8QXxZwiHTLn3yA==
+postcss-loader@6.2.1:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-6.2.1.tgz#0895f7346b1702103d30fdc66e4d494a93c008ef"
+  integrity sha512-WbbYpmAaKcux/P66bZ40bpWsBucjx/TTgVVzRZ9yUO8yQfVBlameJ0ZGVaPfH64hNSBh63a+ICP5nqOpBA0w+Q==
   dependencies:
     cosmiconfig "^7.0.0"
-    klona "^2.0.4"
+    klona "^2.0.5"
     semver "^7.3.5"
 
 postcss-modules-extract-imports@^3.0.0: