Bump typescript from 2.7.2 to 2.9.2

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 2.7.2 to 2.9.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v2.7.2...v2.9.2)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -16,7 +16,7 @@
     "koa-views": "^6.1.1",
     "sqlite3": "^5.0.2",
     "typeorm": "next",
-    "typescript": "^2.6.1"
+    "typescript": "^2.9.2"
   },
   "devDependencies": {
     "chai": "^4.1.2",

yarn.lock

@@ -2237,9 +2237,10 @@ typeorm@next:
     yargonaut "^1.1.2"
     yargs "^9.0.1"
 
-typescript@^2.6.1:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
+typescript@^2.9.2:
+  version "2.9.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
+  integrity sha512-Gr4p6nFNaoufRIY4NMdpQRNmgxVIGMs4Fcu/ujdYk3nAZqk7supzBE9idmvfZIlH/Cuj//dvi+019qEue9lV0w==
 
 universalify@^0.1.0:
   version "0.1.1"