chore(deps): bump postcss (#55)

Bumps the npm_and_yarn group with 1 update in the /templates/storybook directory: [postcss](https://github.com/postcss/postcss).


Updates `postcss` from 8.5.8 to 8.5.14
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.8...8.5.14)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.14
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

templates/storybook/yarn.lock

@@ -2373,13 +2373,13 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^8.5.8":
-  version: 8.5.8
-  resolution: "postcss@npm:8.5.8"
+  version: 8.5.14
+  resolution: "postcss@npm:8.5.14"
   dependencies:
     nanoid: "npm:^3.3.11"
     picocolors: "npm:^1.1.1"
     source-map-js: "npm:^1.2.1"
-  checksum: 10c0/dd918f7127ee7c60a0295bae2e72b3787892296e1d1c3c564d7a2a00c68d8df83cadc3178491259daa19ccc54804fb71ed8c937c6787e08d8bd4bedf8d17044c
+  checksum: 10c0/48138207cf5ef5581be1bfe2cb65ccfe0ac75e43888ba045afc8ed6043d7b56aeb3b9a9fe5b353ff554be943cd0cc15d826ccb991525159175971e5ee8ab0237
   languageName: node
   linkType: hard