chore(deps): update dependency typescript to v3.9.7 (#963)

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

Author: renovate[bot]

docs/package.json

@@ -20,7 +20,7 @@
     "codemirror": "5.51.0",
     "rxjs": "6.5.3",
     "tslint": "5.20.0",
-    "typescript": "3.8.2",
+    "typescript": "3.9.7",
     "uglifyjs": "2.4.11",
     "zone.js": "0.10.2"
   },

package-lock.json

@@ -86,7 +86,7 @@
     "standard-version": "8.0.1",
     "ts-node": "8.5.4",
     "tslint": "5.20.0",
-    "typescript": "3.9.6"
+    "typescript": "3.9.7"
   },
   "peerDependencies": {
     "@angular/compiler": ">=2.3.1 <12.0.0 || ^11.0.0-next || ^11.1.0-next || ^11.2.0-next",