Bump postcss from 8.3.8 to 8.3.9 (#14956)

Bumps [postcss](https://github.com/postcss/postcss) from 8.3.8 to 8.3.9.
- [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/8.3.8...8.3.9)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:production
  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>

package.json

@@ -160,7 +160,7 @@
     "intersection-observer": "^0.12.0",
     "linkstate": "^2.0.1",
     "lodash.debounce": "4.0.8",
-    "postcss": "^8.3.8",
+    "postcss": "^8.3.9",
     "postcss-cli": "^9.0.1",
     "postcss-cssnext": "^3.1.0",
     "postcss-smart-import": "^0.7.6",

yarn.lock

@@ -10891,12 +10891,12 @@ nanocolors@^0.1.12:
   resolved "https://registry.yarnpkg.com/nanocolors/-/nanocolors-0.1.12.tgz#8577482c58cbd7b5bb1681db4cf48f11a87fd5f6"
   integrity sha512-2nMHqg1x5PU+unxX7PGY7AuYxl2qDx7PSrTRjizr8sxdd3l/3hBuWWaki62qmtYm2U5i4Z5E7GbjlyDFhs9/EQ==
 
-nanocolors@^0.2.11, nanocolors@^0.2.2:
+nanocolors@^0.2.11:
   version "0.2.12"
   resolved "https://registry.yarnpkg.com/nanocolors/-/nanocolors-0.2.12.tgz#4d05932e70116078673ea4cc6699a1c56cc77777"
   integrity sha512-SFNdALvzW+rVlzqexid6epYdt8H9Zol7xDoQarioEFcFN0JHo4CYNztAxmtfgGTVRCmFlEOqqhBpoFGKqSAMug==
 
-nanoid@^3.1.25:
+nanoid@^3.1.28:
   version "3.1.28"
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.28.tgz#3c01bac14cb6c5680569014cc65a2f26424c6bd4"
   integrity sha512-gSu9VZ2HtmoKYe/lmyPFES5nknFrHa+/DT9muUFWFMi6Jh9E1I7bkvlQ8xxf1Kos9pi9o8lBnIOkatMhKX/YUw==
@@ -12826,13 +12826,13 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.2.15, postcss@^8.3.8:
-  version "8.3.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.8.tgz#9ebe2a127396b4b4570ae9f7770e7fb83db2bac1"
-  integrity sha512-GT5bTjjZnwDifajzczOC+r3FI3Cu+PgPvrsjhQdRqa2kTJ4968/X9CUce9xttIB0xOs5c6xf0TCWZo/y9lF6bA==
+postcss@^8.2.15, postcss@^8.3.9:
+  version "8.3.9"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.9.tgz#98754caa06c4ee9eb59cc48bd073bb6bd3437c31"
+  integrity sha512-f/ZFyAKh9Dnqytx5X62jgjhhzttjZS7hMsohcI7HEI5tjELX/HxCy3EFhsRxyzGvrzFF+82XPvCS8T9TFleVJw==
   dependencies:
-    nanocolors "^0.2.2"
-    nanoid "^3.1.25"
+    nanoid "^3.1.28"
+    picocolors "^0.2.1"
     source-map-js "^0.6.2"
 
 postscribe@^2.0.8: