Bump postcss from 8.4.21 to 8.4.31

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.21 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.21...8.4.31)

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

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

yarn.lock

@@ -2108,7 +2108,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@docusaurus/theme-mermaid@npm:^2.4.3":
+"@docusaurus/theme-mermaid@npm:2.4.3":
   version: 2.4.3
   resolution: "@docusaurus/theme-mermaid@npm:2.4.3"
   dependencies:
@@ -2454,7 +2454,7 @@ __metadata:
     "@docusaurus/module-type-aliases": 2.4.3
     "@docusaurus/plugin-google-gtag": 2.4.3
     "@docusaurus/preset-classic": 2.4.3
-    "@docusaurus/theme-mermaid": ^2.4.3
+    "@docusaurus/theme-mermaid": 2.4.3
     "@mdx-js/react": ^1.6.21
     "@tsconfig/docusaurus": ^1.0.2
     "@types/node": ^14.14.22
@@ -6160,7 +6160,7 @@ __metadata:
 
 "fsevents@patch:fsevents@~2.3.2#~builtin<compat/fsevents>":
   version: 2.3.2
-  resolution: "fsevents@patch:fsevents@npm%3A2.3.2#~builtin<compat/fsevents>::version=2.3.2&hash=18f3a7"
+  resolution: "fsevents@patch:fsevents@npm%3A2.3.2#~builtin<compat/fsevents>::version=2.3.2&hash=df0bf1"
   dependencies:
     node-gyp: latest
   conditions: os=darwin
@@ -8098,7 +8098,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"nanoid@npm:^3.3.4":
+"nanoid@npm:^3.3.6":
   version: 3.3.6
   resolution: "nanoid@npm:3.3.6"
   bin:
@@ -9123,13 +9123,13 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^8.3.11, postcss@npm:^8.4.14, postcss@npm:^8.4.17, postcss@npm:^8.4.19":
-  version: 8.4.21
-  resolution: "postcss@npm:8.4.21"
+  version: 8.4.31
+  resolution: "postcss@npm:8.4.31"
   dependencies:
-    nanoid: ^3.3.4
+    nanoid: ^3.3.6
     picocolors: ^1.0.0
     source-map-js: ^1.0.2
-  checksum: e39ac60ccd1542d4f9d93d894048aac0d686b3bb38e927d8386005718e6793dbbb46930f0a523fe382f1bbd843c6d980aaea791252bf5e176180e5a4336d9679
+  checksum: 1d8611341b073143ad90486fcdfeab49edd243377b1f51834dc4f6d028e82ce5190e4f11bb2633276864503654fb7cab28e67abdc0fbf9d1f88cad4a0ff0beea
   languageName: node
   linkType: hard
 
@@ -9955,7 +9955,7 @@ __metadata:
 
 "resolve@patch:resolve@^1.1.6#~builtin<compat/resolve>, resolve@patch:resolve@^1.14.2#~builtin<compat/resolve>, resolve@patch:resolve@^1.3.2#~builtin<compat/resolve>":
   version: 1.22.1
-  resolution: "resolve@patch:resolve@npm%3A1.22.1#~builtin<compat/resolve>::version=1.22.1&hash=07638b"
+  resolution: "resolve@patch:resolve@npm%3A1.22.1#~builtin<compat/resolve>::version=1.22.1&hash=c3c19d"
   dependencies:
     is-core-module: ^2.9.0
     path-parse: ^1.0.7
@@ -11409,11 +11409,11 @@ __metadata:
 
 "typescript@patch:typescript@^4.1.3#~builtin<compat/typescript>":
   version: 4.9.5
-  resolution: "typescript@patch:typescript@npm%3A4.9.5#~builtin<compat/typescript>::version=4.9.5&hash=a1c5e5"
+  resolution: "typescript@patch:typescript@npm%3A4.9.5#~builtin<compat/typescript>::version=4.9.5&hash=289587"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 2eee5c37cad4390385db5db5a8e81470e42e8f1401b0358d7390095d6f681b410f2c4a0c496c6ff9ebd775423c7785cdace7bcdad76c7bee283df3d9718c0f20
+  checksum: 1f8f3b6aaea19f0f67cba79057674ba580438a7db55057eb89cc06950483c5d632115c14077f6663ea76fd09fce3c190e6414bb98582ec80aa5a4eaf345d5b68
   languageName: node
   linkType: hard