fix(deps): bump postcss from 8.5.5 to 8.5.6 (#5095)

Author: dependabot[bot]

package.json

@@ -68,7 +68,7 @@
     "lodash": "^4.17.21",
     "luxon": "^3.6.1",
     "mnemonic-browser": "^0.0.1",
-    "postcss": "^8.5.5",
+    "postcss": "^8.5.6",
     "query-string": "^9.2.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",

yarn.lock

@@ -4456,7 +4456,7 @@ __metadata:
     luxon: "npm:^3.6.1"
     mnemonic-browser: "npm:^0.0.1"
     parcel: "npm:^2.15.2"
-    postcss: "npm:^8.5.5"
+    postcss: "npm:^8.5.6"
     prettier: "npm:^3.5.3"
     process: "npm:^0.11.10"
     query-string: "npm:^9.2.0"
@@ -10523,14 +10523,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.5.5":
-  version: 8.5.5
-  resolution: "postcss@npm:8.5.5"
+"postcss@npm:^8.5.6":
+  version: 8.5.6
+  resolution: "postcss@npm:8.5.6"
   dependencies:
     nanoid: "npm:^3.3.11"
     picocolors: "npm:^1.1.1"
     source-map-js: "npm:^1.2.1"
-  checksum: 10c0/6415873fab84de05c2d8fd18f72ea6654bca437bb4b9f02ca819c438501e4b3a450023e575e17587c6eaa5bedddaaa4dad3af210f5cf166e30cec09cac58baf8
+  checksum: 10c0/5127cc7c91ed7a133a1b7318012d8bfa112da9ef092dddf369ae699a1f10ebbd89b1b9f25f3228795b84585c72aabd5ced5fc11f2ba467eedf7b081a66fad024
   languageName: node
   linkType: hard