Update dependency postcss to v8.4.45 (#31742)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

yarn.lock

@@ -14045,13 +14045,13 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^8.2.15, postcss@npm:^8.4.24, postcss@npm:^8.4.41":
-  version: 8.4.44
-  resolution: "postcss@npm:8.4.44"
+  version: 8.4.45
+  resolution: "postcss@npm:8.4.45"
   dependencies:
     nanoid: "npm:^3.3.7"
     picocolors: "npm:^1.0.1"
     source-map-js: "npm:^1.2.0"
-  checksum: 10c0/53c33338261a3d4f4198f8893e9dfe8b828d8d9186142ee85f02d228f04245c5bbe31239411a357a556ad20ed96f28db24d0921d63edc428fdc9133289371a1d
+  checksum: 10c0/ad6f8b9b1157d678560373696109745ab97a947d449f8a997acac41c7f1e4c0f3ca4b092d6df1387f430f2c9a319987b1780dbdc27e35800a88cde9b606c1e8f
   languageName: node
   linkType: hard