Add yarn file (microsoft#139035)

Somehow missed this file with 217f3ec

Author: mjbvz

extensions/yarn.lock

@@ -24,10 +24,10 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/fast-plist/-/fast-plist-0.1.2.tgz#a45aff345196006d406ca6cdcd05f69051ef35b8"
   integrity sha1-pFr/NFGWAG1AbKbNzQX2kFHvNbg=
 
-[email protected].3:
-  version "4.5.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.5.3.tgz#afaa858e68c7103317d89eb90c5d8906268d353c"
-  integrity sha512-eVYaEHALSt+s9LbvgEv4Ef+Tdq7hBiIZgii12xXJnukryt3pMgJf6aKhoCZ3FWQsu6sydEnkg11fYXLzhLBjeQ==
+[email protected].4:
+  version "4.5.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.5.4.tgz#a17d3a0263bf5c8723b9c52f43c5084edf13c2e8"
+  integrity sha512-VgYs2A2QIRuGphtzFV7aQJduJ2gyfTljngLzjpfW9FoYZF6xuw1W0vW9ghCKLfcWrCFxK81CSGRAvS1pn4fIUg==
 
 vscode-grammar-updater@^1.0.3:
   version "1.0.3"