chore(deps): update dependency unified to ^9.2.0 (#27090)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package.json

@@ -91,7 +91,7 @@
     "svgo": "1.3.2",
     "ts-jest": "^22",
     "typescript": "^3.9.5",
-    "unified": "^9.0.0",
+    "unified": "^9.2.0",
     "yargs": "^10.1.2"
   },
   "resolutions": {

yarn.lock

@@ -24416,6 +24416,18 @@ unified@^8.0.0, unified@^8.4.2:
     trough "^1.0.0"
     vfile "^4.0.0"
 
+unified@^9.2.0:
+  version "9.2.0"
+  resolved "https://registry.yarnpkg.com/unified/-/unified-9.2.0.tgz#67a62c627c40589edebbf60f53edfd4d822027f8"
+  integrity sha512-vx2Z0vY+a3YoTj8+pttM3tiJHCwY5UFbYdiWrwBEbHmK8pvsPj2rtAX2BFfgXen8T39CJWblWRDT4L5WGXtDdg==
+  dependencies:
+    bail "^1.0.0"
+    extend "^3.0.0"
+    is-buffer "^2.0.0"
+    is-plain-obj "^2.0.0"
+    trough "^1.0.0"
+    vfile "^4.0.0"
+
 union-value@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"