fix

Author: wing328

samples/client/petstore/typescript-fetch/builds/with-npm-version/tsconfig.json

@@ -2,7 +2,7 @@
   "compilerOptions": {
     "declaration": true,
     "target": "es5",
-    "ignoreDeprecations": "6.0",
+    "ignoreDeprecations": "5.0",
     "module": "commonjs",
     "moduleResolution": "node",
     "outDir": "dist",