Update dependency ts-essentials to v9 (#5653)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

packages/messaging-compat/package.json

@@ -47,7 +47,7 @@
     "@firebase/app-compat": "0.1.14",
     "@rollup/plugin-json": "4.1.0",
     "rollup-plugin-typescript2": "0.30.0",
-    "ts-essentials": "8.1.0",
+    "ts-essentials": "9.1.2",
     "typescript": "4.2.2"
   },
   "repository": {

packages/messaging/package.json

@@ -64,7 +64,7 @@
     "rollup": "2.57.0",
     "rollup-plugin-typescript2": "0.30.0",
     "@rollup/plugin-json": "4.1.0",
-    "ts-essentials": "8.1.0",
+    "ts-essentials": "9.1.2",
     "typescript": "4.2.2"
   },
   "repository": {

yarn.lock

@@ -15743,10 +15743,10 @@ triple-beam@^1.2.0, triple-beam@^1.3.0:
   resolved "https://registry.npmjs.org/triple-beam/-/triple-beam-1.3.0.tgz#a595214c7298db8339eeeee083e4d10bd8cb8dd9"
   integrity sha512-XrHUvV5HpdLmIj4uVMxHggLbFSZYIn7HEWsqePZcI50pco+MPqJ50wMGY794X7AOOhxOBAjbkqfAbEe/QMp2Lw==
 
-ts-essentials@8.1.0:
-  version "8.1.0"
-  resolved "https://registry.npmjs.org/ts-essentials/-/ts-essentials-8.1.0.tgz#bc982b242db226b84c89477d3d42630ee2954513"
-  integrity sha512-34xALeQADWRYq9kbtprP4KdpTQ3v3BBIs/U4SpaP+C4++B8ijXY5NnILRJLchQVMzw7YBzKuGMUMrI9uT+ALVw==
+ts-essentials@9.1.2:
+  version "9.1.2"
+  resolved "https://registry.npmjs.org/ts-essentials/-/ts-essentials-9.1.2.tgz#46db6944b73b4cd603f3d959ef1123c16ba56f59"
+  integrity sha512-EaSmXsAhEiirrTY1Oaa7TSpei9dzuCuFPmjKRJRPamERYtfaGS8/KpOSbjergLz/Y76/aZlV9i/krgzsuWEBbg==
 
 ts-loader@8.3.0:
   version "8.3.0"