Improve callable function for long running requests. (#1635)

* Implement heartbeat and abort signal.

* Add heartbeat test.

* Update sinon.js to get clock.tickAsync()

* Fix tests.

* Finishing touches.

* Fix formatting issues.

* Only send heartbeat when data hasn't been written in the given interval.

* Fix bugs.

* Fix test.

* Formatting.

* Misc. formatting

Author: taeold

package-lock.json

@@ -287,7 +287,7 @@
     "@types/nock": "^10.0.3",
     "@types/node": "^14.18.24",
     "@types/node-fetch": "^3.0.3",
-    "@types/sinon": "^7.0.13",
+    "@types/sinon": "^9.0.11",
     "@typescript-eslint/eslint-plugin": "^5.33.1",
     "@typescript-eslint/parser": "^5.33.1",
     "api-extractor-model-me": "^0.1.1",
@@ -313,7 +313,7 @@
     "prettier": "^2.7.1",
     "protobufjs-cli": "^1.1.1",
     "semver": "^7.3.5",
-    "sinon": "^7.3.2",
+    "sinon": "^9.2.4",
     "ts-node": "^10.4.0",
     "typescript": "^4.3.5",
     "yargs": "^15.3.1"