Bump postcss from 8.3.8 to 8.3.9 in /packages/dashboard

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>

packages/dashboard/package.json

@@ -24,7 +24,7 @@
     "ky": "0.25.1",
     "next": "11.1.2",
     "normalize.css": "8.0.1",
-    "postcss": "8.3.8",
+    "postcss": "8.3.9",
     "prettier": "2.4.1",
     "pretty-bytes": "5.6.0",
     "react": "17.0.2",

packages/dashboard/yarn.lock

@@ -1947,15 +1947,10 @@ nanoclone@^0.2.1:
   resolved "https://registry.yarnpkg.com/nanoclone/-/nanoclone-0.2.1.tgz#dd4090f8f1a110d26bb32c49ed2f5b9235209ed4"
   integrity sha512-wynEP02LmIbLpcYw8uBKpcfF6dmg2vcpKqxeH5UcoKEYdExslsdUA4ugFauuaeYdTB76ez6gJW8XAZ6CgkXYxA==
 
-nanocolors@^0.2.2:
-  version "0.2.10"
-  resolved "https://registry.yarnpkg.com/nanocolors/-/nanocolors-0.2.10.tgz#a712df4d3c1bf12d9b4fb8b5aa61b5ba31337503"
-  integrity sha512-i+EDWGsJClQwR/bhLIG/CObZZwaYaS5qt+yjxZbfV+77QiNHNzE9nj4d9Ut1TGZ0R0eSwPcQWzReASzXuw/7oA==
-
-nanoid@^3.1.23, nanoid@^3.1.25:
-  version "3.1.28"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.28.tgz#3c01bac14cb6c5680569014cc65a2f26424c6bd4"
-  integrity sha512-gSu9VZ2HtmoKYe/lmyPFES5nknFrHa+/DT9muUFWFMi6Jh9E1I7bkvlQ8xxf1Kos9pi9o8lBnIOkatMhKX/YUw==
+nanoid@^3.1.23, nanoid@^3.1.28:
+  version "3.1.29"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.29.tgz#214fb2d7a33e1a5bef4757b779dfaeb6a4e5aeb4"
+  integrity sha512-dW2pUSGZ8ZnCFIlBIA31SV8huOGCHb6OwzVCc7A69rb/a+SgPBwfmLvK5TKQ3INPbRkcI8a/Owo0XbiTNH19wg==
 
 native-url@0.3.4:
   version "0.3.4"
@@ -2350,13 +2345,13 @@ postcss@8.2.15:
     nanoid "^3.1.23"
     source-map "^0.6.1"
 
-postcss@8.3.8, postcss@^8.1.6, postcss@^8.2.1:
-  version "8.3.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.8.tgz#9ebe2a127396b4b4570ae9f7770e7fb83db2bac1"
-  integrity sha512-GT5bTjjZnwDifajzczOC+r3FI3Cu+PgPvrsjhQdRqa2kTJ4968/X9CUce9xttIB0xOs5c6xf0TCWZo/y9lF6bA==
+postcss@8.3.9, postcss@^8.1.6, postcss@^8.2.1:
+  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"
 
 prettier@2.4.1: