Bump postcss from 8.4.12 to 8.4.32 in /ui-tests (#69)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.12 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@8.4.12...8.4.32)

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

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

ui-tests/yarn.lock

@@ -2902,16 +2902,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"nanoid@npm:^3.3.1":
-  version: 3.3.1
-  resolution: "nanoid@npm:3.3.1"
-  bin:
-    nanoid: bin/nanoid.cjs
-  checksum: 4ef0969e1bbe866fc223eb32276cbccb0961900bfe79104fa5abe34361979dead8d0e061410a5c03bc3d47455685adf32c09d6f27790f4a6898fb51f7df7ec86
-  languageName: node
-  linkType: hard
-
-"nanoid@npm:^3.3.6":
+"nanoid@npm:^3.3.6, nanoid@npm:^3.3.7":
   version: 3.3.7
   resolution: "nanoid@npm:3.3.7"
   bin:
@@ -3061,13 +3052,13 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^8.3.11":
-  version: 8.4.12
-  resolution: "postcss@npm:8.4.12"
+  version: 8.4.32
+  resolution: "postcss@npm:8.4.32"
   dependencies:
-    nanoid: ^3.3.1
+    nanoid: ^3.3.7
     picocolors: ^1.0.0
     source-map-js: ^1.0.2
-  checksum: 248e3d0f9bbb8efaafcfda7f91627a29bdc9a19f456896886330beb28c5abea0e14c7901b35191928602e2eccbed496b1e94097d27a0b2a980854cd00c7a835f
+  checksum: 220d9d0bf5d65be7ed31006c523bfb11619461d296245c1231831f90150aeb4a31eab9983ac9c5c89759a3ca8b60b3e0d098574964e1691673c3ce5c494305ae
   languageName: node
   linkType: hard