build(deps): bump postcss from 5.2.18 to 8.5.6

Bumps [postcss](https://github.com/postcss/postcss) from 5.2.18 to 8.5.6.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/commits/8.5.6)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.6
  dependency-type: indirect
...

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

Author: dependabot[bot]

.pnp.cjs

@@ -16689,47 +16689,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.33":
-  version: 8.4.38
-  resolution: "postcss@npm:8.4.38"
-  dependencies:
-    nanoid: "npm:^3.3.7"
-    picocolors: "npm:^1.0.0"
-    source-map-js: "npm:^1.2.0"
-  checksum: 10/6e44a7ed835ffa9a2b096e8d3e5dfc6bcf331a25c48aeb862dd54e3aaecadf814fa22be224fd308f87d08adf2299164f88c5fd5ab1c4ef6cbd693ceb295377f4
-  languageName: node
-  linkType: hard
-
-"postcss@npm:^8.4.43":
-  version: 8.5.4
-  resolution: "postcss@npm:8.5.4"
+"postcss@npm:^8.4.33, postcss@npm:^8.4.43, postcss@npm:^8.4.47, postcss@npm:^8.4.49, postcss@npm:^8.4.6":
+  version: 8.5.6
+  resolution: "postcss@npm:8.5.6"
   dependencies:
     nanoid: "npm:^3.3.11"
     picocolors: "npm:^1.1.1"
     source-map-js: "npm:^1.2.1"
-  checksum: 10/b037b55182aa3aa2f7c4ffb0f37518b35855bb0107222cc46e1b6fa13a4462cb2747d88d3bf66640e7cad20f465354b18d5eafffd44eba97364683a72a336695
-  languageName: node
-  linkType: hard
-
-"postcss@npm:^8.4.47, postcss@npm:^8.4.6":
-  version: 8.5.1
-  resolution: "postcss@npm:8.5.1"
-  dependencies:
-    nanoid: "npm:^3.3.8"
-    picocolors: "npm:^1.1.1"
-    source-map-js: "npm:^1.2.1"
-  checksum: 10/1fbd28753143f7f03e4604813639918182b15343c7ad0f4e72f3875fc2cc0b8494c887f55dc05008fad5fbf1e1e908ce2edbbce364a91f84dcefb71edf7cd31d
-  languageName: node
-  linkType: hard
-
-"postcss@npm:^8.4.49":
-  version: 8.4.49
-  resolution: "postcss@npm:8.4.49"
-  dependencies:
-    nanoid: "npm:^3.3.7"
-    picocolors: "npm:^1.1.1"
-    source-map-js: "npm:^1.2.1"
-  checksum: 10/28fe1005b1339870e0a5006375ba5ac1213fd69800f79e7db09c398e074421ba6e162898e94f64942fed554037fd292db3811d87835d25ab5ef7f3c9daacb6ca
+  checksum: 10/9e4fbe97574091e9736d0e82a591e29aa100a0bf60276a926308f8c57249698935f35c5d2f4e80de778d0cbb8dcffab4f383d85fd50c5649aca421c3df729b86
   languageName: node
   linkType: hard
 
@@ -18262,13 +18229,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"source-map-js@npm:^1.2.0":
-  version: 1.2.0
-  resolution: "source-map-js@npm:1.2.0"
-  checksum: 10/74f331cfd2d121c50790c8dd6d3c9de6be21926de80583b23b37029b0f37aefc3e019fa91f9a10a5e120c08135297e1ecf312d561459c45908cb1e0e365f49e5
-  languageName: node
-  linkType: hard
-
 "source-map-js@npm:^1.2.1":
   version: 1.2.1
   resolution: "source-map-js@npm:1.2.1"