[typescript] use built-in abortsignal (OpenAPITools#21741)

* use built in

* upgrade types from pinned fetch

* samples

* csharp samples

* merge master and samples

---------

Co-authored-by: David Gamero <davidgamero@microsoft.com>

Author: 2 people

modules/openapi-generator/src/main/resources/typescript/http/http.mustache

@@ -5,7 +5,6 @@ import {{^supportsES6}}* as{{/supportsES6}} FormData from "form-data";
 import { URL, URLSearchParams } from 'url';
 import * as http from 'http';
 import * as https from 'https';
-import { AbortSignal } from "node-fetch/externals";
 {{/node}}
 {{/platforms}}
 import { Observable, from } from {{#useRxJS}}'rxjs'{{/useRxJS}}{{^useRxJS}}'../rxjsStub{{importFileExtension}}'{{/useRxJS}};

modules/openapi-generator/src/main/resources/typescript/package.mustache

@@ -46,8 +46,8 @@
       {{#fetch-api}}
         {{#platforms}}
           {{#node}}
-    "node-fetch": "^2.6.0",
-    "@types/node-fetch": "^2.5.7",
+    "node-fetch": "^2.7.0",
+    "@types/node-fetch": "^2.6.13",
           {{/node}}
           {{#browser}}
     "whatwg-fetch": "^3.0.0",
@@ -61,7 +61,7 @@
     {{/frameworks}}
     {{#platforms}}
       {{#node}}
-    "@types/node": "*",
+    "@types/node": "^16.18.126",
     "form-data": "^4.0.4",
       {{/node}}
     {{/platforms}}