Bump postcss from 8.4.27 to 8.4.32 in /ui-tests (#49)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.27 to 8.4.32.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.27...8.4.32)

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

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

ui-tests/yarn.lock

@@ -3080,6 +3080,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"nanoid@npm:^3.3.7":
+  version: 3.3.7
+  resolution: "nanoid@npm:3.3.7"
+  bin:
+    nanoid: bin/nanoid.cjs
+  checksum: d36c427e530713e4ac6567d488b489a36582ef89da1d6d4e3b87eded11eb10d7042a877958c6f104929809b2ab0bafa17652b076cdf84324aa75b30b722204f2
+  languageName: node
+  linkType: hard
+
 "negotiator@npm:^0.6.3":
   version: 0.6.3
   resolution: "negotiator@npm:0.6.3"
@@ -3235,13 +3244,13 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^8.3.11":
-  version: 8.4.27
-  resolution: "postcss@npm:8.4.27"
+  version: 8.4.32
+  resolution: "postcss@npm:8.4.32"
   dependencies:
-    nanoid: ^3.3.6
+    nanoid: ^3.3.7
     picocolors: ^1.0.0
     source-map-js: ^1.0.2
-  checksum: 1cdd0c298849df6cd65f7e646a3ba36870a37b65f55fd59d1a165539c263e9b4872a402bf4ed1ca1bc31f58b68b2835545e33ea1a23b161a1f8aa6d5ded81e78
+  checksum: 220d9d0bf5d65be7ed31006c523bfb11619461d296245c1231831f90150aeb4a31eab9983ac9c5c89759a3ca8b60b3e0d098574964e1691673c3ce5c494305ae
   languageName: node
   linkType: hard