Bump postcss from 8.3.7 to 8.3.8

Bumps [postcss](https://github.com/postcss/postcss) from 8.3.7 to 8.3.8.
- [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/8.3.7...8.3.8)

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

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

package-lock.json

@@ -10722,9 +10722,9 @@
       "dev": true
     },
     "nanoid": {
-      "version": "3.1.25",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.25.tgz",
-      "integrity": "sha512-rdwtIXaXCLFAQbnfqDRnI6jaRHp9fTcYBjtFKE8eezcZ7LuLjhUaQGNeMXf1HmRoCH32CLz6XwX0TtxEOS/A3Q==",
+      "version": "3.1.28",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.28.tgz",
+      "integrity": "sha512-gSu9VZ2HtmoKYe/lmyPFES5nknFrHa+/DT9muUFWFMi6Jh9E1I7bkvlQ8xxf1Kos9pi9o8lBnIOkatMhKX/YUw==",
       "dev": true
     },
     "nanomatch": {
@@ -11310,14 +11310,22 @@
       "optional": true
     },
     "postcss": {
-      "version": "8.3.7",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.7.tgz",
-      "integrity": "sha512-9SaY7nnyQ63/WittqZYAvkkYPyKxchMKH71UDzeTmWuLSvxTRpeEeABZAzlCi55cuGcoFyoV/amX2BdsafQidQ==",
+      "version": "8.3.8",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.8.tgz",
+      "integrity": "sha512-GT5bTjjZnwDifajzczOC+r3FI3Cu+PgPvrsjhQdRqa2kTJ4968/X9CUce9xttIB0xOs5c6xf0TCWZo/y9lF6bA==",
       "dev": true,
       "requires": {
-        "nanocolors": "^0.1.5",
+        "nanocolors": "^0.2.2",
         "nanoid": "^3.1.25",
         "source-map-js": "^0.6.2"
+      },
+      "dependencies": {
+        "nanocolors": {
+          "version": "0.2.10",
+          "resolved": "https://registry.npmjs.org/nanocolors/-/nanocolors-0.2.10.tgz",
+          "integrity": "sha512-i+EDWGsJClQwR/bhLIG/CObZZwaYaS5qt+yjxZbfV+77QiNHNzE9nj4d9Ut1TGZ0R0eSwPcQWzReASzXuw/7oA==",
+          "dev": true
+        }
       }
     },
     "postcss-calc": {