chore(deps): update dependency typescript to v3.9.8

Author: renovate-bot

package.json

@@ -103,6 +103,6 @@
     "ts-node": "8.6.2",
     "tsickle": "0.37.1",
     "tslint": "5.20.1",
-    "typescript": "3.4.5"
+    "typescript": "3.9.8"
   }
 }

yarn.lock

@@ -11329,16 +11329,16 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.4.5:
-  version "3.4.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.5.tgz#2d2618d10bb566572b8d7aad5180d84257d70a99"
-  integrity sha512-YycBxUb49UUhdNMU5aJ7z5Ej2XGmaIBL0x34vZ82fn3hGvD+bgrMrVDpatgz2f7YxUMJxMkbWxJZeAvDxVe7Vw==
-
 typescript@3.5.3:
   version "3.5.3"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
   integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
 
+typescript@3.9.8:
+  version "3.9.8"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.8.tgz#7d937ba4e4044af7fa83d127b982f8f61ca816a4"
+  integrity sha512-nDbnFkUZZjkQ92qwKX+C+jtk4OGfU8H9toSEs3uAsl8cxLjG2sqQm6leF/pLWvm9FAEJ6KHkYMAbHYaY2ITeVg==
+
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz#2619800c4c825800efdd8343af7dd9933cbe2818"