chore(deps): update dependency postcss to v8.4.34 (#16039)

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

package.json

@@ -84,7 +84,7 @@
     "outdent": "0.8.0",
     "parse-json": "8.1.0",
     "please-upgrade-node": "3.2.0",
-    "postcss": "8.4.33",
+    "postcss": "8.4.34",
     "postcss-less": "6.0.0",
     "postcss-media-query-parser": "0.2.3",
     "postcss-scss": "4.0.9",

yarn.lock

@@ -7323,14 +7323,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8.4.33":
-  version: 8.4.33
-  resolution: "postcss@npm:8.4.33"
+"postcss@npm:8.4.34":
+  version: 8.4.34
+  resolution: "postcss@npm:8.4.34"
   dependencies:
     nanoid: "npm:^3.3.7"
     picocolors: "npm:^1.0.0"
     source-map-js: "npm:^1.0.2"
-  checksum: 10/e22a4594c255f26117f38419fb494d7ecab0f596cd409f7aadc8a6173abf180ed7ea970cd13fd366ab12b5840be901d2a09b25197700c2ebcb5a8077326bf519
+  checksum: 10/ff4769ff6910f688b0672e0a8f83d1d0a9fee3f61aa33b61b6ade0d5dc2ef53ce1a80d78e2eab03f2d40a15e04bc028682857a4f15d31501d63c80473dee2981
   languageName: node
   linkType: hard
 
@@ -7449,7 +7449,7 @@ __metadata:
     outdent: "npm:0.8.0"
     parse-json: "npm:8.1.0"
     please-upgrade-node: "npm:3.2.0"
-    postcss: "npm:8.4.33"
+    postcss: "npm:8.4.34"
     postcss-less: "npm:6.0.0"
     postcss-media-query-parser: "npm:0.2.3"
     postcss-scss: "npm:4.0.9"