Update dependency typescript to v4.1.3 (#349)

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

site/package.json

@@ -9,7 +9,7 @@
   },
   "devDependencies": {
     "@vercel/node": "1.8.5",
-    "typescript": "4.1.2",
+    "typescript": "4.1.3",
     "vercel": "21.0.1"
   }
 }

site/yarn.lock

@@ -594,10 +594,10 @@ typescript@3.9.3:
   resolved "https://registry.npmjs.org/typescript/-/typescript-3.9.3.tgz#d3ac8883a97c26139e42df5e93eeece33d610b8a"
   integrity sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==
 
-typescript@4.1.2:
+typescript@4.1.3:
-  version "4.1.2"
+  version "4.1.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.2.tgz#6369ef22516fe5e10304aae5a5c4862db55380e9"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
-  integrity sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==
+  integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
 
 unique-string@^2.0.0:
   version "2.0.0"