chore: bump typescript

Author: ktsn

package.json

@@ -50,7 +50,7 @@
     "rollup-plugin-replace": "^1.1.1",
     "testdouble": "^3.2.1",
     "ts-loader": "^2.2.1",
-    "typescript": "^2.4.1",
+    "typescript": "^2.5.2",
     "uglify-js": "^3.0.22",
     "vue": "^2.3.4",
     "vue-loader": "^13.0.0",

test/test.ts

@@ -197,7 +197,7 @@ describe('vue-class-component', () => {
     const NoCache = createDecorator((options, key) => {
       // options should have computed and methods etc.
       // that specified by class property accessors and methods
-      const computedOption: Vue.ComputedOptions<Vue> = options.computed![key]
+      const computedOption = options.computed![key] as Vue.ComputedOptions<Vue>
       computedOption.cache = false
     })
 

yarn.lock

@@ -3292,9 +3292,9 @@ type-detect@^4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.3.tgz#0e3f2670b44099b0b46c284d136a7ef49c74c2ea"
 
-typescript@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.4.1.tgz#c3ccb16ddaa0b2314de031e7e6fee89e5ba346bc"
+typescript@^2.5.2:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.5.2.tgz#038a95f7d9bbb420b1bf35ba31d4c5c1dd3ffe34"
 
 uglify-js@^2.8.29:
   version "2.8.29"