chore(deps): update dependency postcss to v8.4.39 (#16446)

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": "8.4.38",
+    "postcss": "8.4.39",
     "postcss-less": "6.0.0",
     "postcss-media-query-parser": "0.2.3",
     "postcss-scss": "4.0.9",

yarn.lock

@@ -7289,14 +7289,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8.4.38":
-  version: 8.4.38
-  resolution: "postcss@npm:8.4.38"
+"postcss@npm:8.4.39":
+  version: 8.4.39
+  resolution: "postcss@npm:8.4.39"
   dependencies:
     nanoid: "npm:^3.3.7"
-    picocolors: "npm:^1.0.0"
+    picocolors: "npm:^1.0.1"
     source-map-js: "npm:^1.2.0"
-  checksum: 10/6e44a7ed835ffa9a2b096e8d3e5dfc6bcf331a25c48aeb862dd54e3aaecadf814fa22be224fd308f87d08adf2299164f88c5fd5ab1c4ef6cbd693ceb295377f4
+  checksum: 10/ad9c1add892c96433b9a5502878201ede4a20c4ce02d056251f61f8d9a3e5426dab3683fe5a086edfa78a1a19f2b4988c8cea02c5122136d29758cb5a17e2621
   languageName: node
   linkType: hard
 
@@ -7415,7 +7415,7 @@ __metadata:
     outdent: "npm:0.8.0"
     parse-json: "npm:8.1.0"
     please-upgrade-node: "npm:3.2.0"
-    postcss: "npm:8.4.38"
+    postcss: "npm:8.4.39"
     postcss-less: "npm:6.0.0"
     postcss-media-query-parser: "npm:0.2.3"
     postcss-scss: "npm:4.0.9"