Bump postcss from 7.0.18 to 7.0.38

Bumps [postcss](https://github.com/postcss/postcss) from 7.0.18 to 7.0.38.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@7.0.18...7.0.38)

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

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

yarn.lock

@@ -3367,6 +3367,11 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
   integrity sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s=
 
+nanocolors@^0.2.2:
+  version "0.2.12"
+  resolved "https://registry.yarnpkg.com/nanocolors/-/nanocolors-0.2.12.tgz#4d05932e70116078673ea4cc6699a1c56cc77777"
+  integrity sha512-SFNdALvzW+rVlzqexid6epYdt8H9Zol7xDoQarioEFcFN0JHo4CYNztAxmtfgGTVRCmFlEOqqhBpoFGKqSAMug==
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -3927,13 +3932,12 @@ postcss-value-parser@^4.0.2:
   integrity sha512-LmeoohTpp/K4UiyQCwuGWlONxXamGzCMtFxLq4W1nZVGIQLYvMCJx3yAF9qyyuFpflABI9yVdtJAqbihOsCsJQ==
 
 postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.13, postcss@^7.0.14, postcss@^7.0.18, postcss@^7.0.2, postcss@^7.0.7:
-  version "7.0.18"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.18.tgz#4b9cda95ae6c069c67a4d933029eddd4838ac233"
-  integrity sha512-/7g1QXXgegpF+9GJj4iN7ChGF40sYuGYJ8WZu8DZWnmhQ/G36hfdk3q9LBJmoK+lZ+yzZ5KYpOoxq7LF1BxE8g==
+  version "7.0.38"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.38.tgz#5365a9c5126643d977046ad239f60eadda2491d6"
+  integrity sha512-wNrSHWjHDQJR/IZL5IKGxRtFgrYNaAA/UrkW2WqbtZO6uxSLMxMN+s2iqUMwnAWm3fMROlDYZB41dr0Mt7vBwQ==
   dependencies:
-    chalk "^2.4.2"
+    nanocolors "^0.2.2"
     source-map "^0.6.1"
-    supports-color "^6.1.0"
 
 prelude-ls@~1.1.2:
   version "1.1.2"
@@ -4910,13 +4914,6 @@ supports-color@^5.0.0, supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
-  integrity sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==
-  dependencies:
-    has-flag "^3.0.0"
-
 supports-hyperlinks@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/supports-hyperlinks/-/supports-hyperlinks-1.0.1.tgz#71daedf36cc1060ac5100c351bb3da48c29c0ef7"