Bump typescript from 3.7.5 to 3.8.3

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.7.5 to 3.8.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.7.5...v3.8.3)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -32,7 +32,7 @@
     "sass": "^1.24.5",
     "sass-loader": "^8.0.2",
     "serialize-javascript": ">=2.1.1",
-    "typescript": "^3.7.5",
+    "typescript": "^3.8.3",
     "vue-async-computed": "^3.8.2",
     "vue-class-component": "^7.2.3",
     "vue-property-decorator": "^8.3.0"