fix(deps): Update dependency @grpc/grpc-js to v1.9.2 (#65)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [@grpc/grpc-js](https://grpc.io/) ([source](https://togithub.com/grpc/grpc-node)) | dependencies | patch | [`1.9.0` -> `1.9.2`](https://renovatebot.com/diffs/npm/@grpc%2fgrpc-js/1.9.0/1.9.2) |

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### Release Notes

<details>
<summary>grpc/grpc-node (@&#8203;grpc/grpc-js)</summary>

### [`v1.9.2`](https://togithub.com/grpc/grpc-node/releases/tag/%40grpc/grpc-js%401.9.2): @&#8203;grpc/grpc-js 1.9.2

[Compare Source](https://togithub.com/grpc/grpc-node/compare/@grpc/grpc-js@1.9.1...@grpc/grpc-js@1.9.2)

-   Handle error when sending keepalive pings ([#&#8203;2563](https://togithub.com/grpc/grpc-node/issues/2563))
-   Fix a bug that could cause invalid connection states when DNS updates contained the same address the client was already connected to ([#&#8203;2559](https://togithub.com/grpc/grpc-node/issues/2559) contributed by [@&#8203;gusumuzhe](https://togithub.com/gusumuzhe), backported in [#&#8203;2564](https://togithub.com/grpc/grpc-node/issues/2564))

### [`v1.9.1`](https://togithub.com/grpc/grpc-node/releases/tag/%40grpc/grpc-js%401.9.1): @&#8203;grpc/grpc-js 1.9.1

[Compare Source](https://togithub.com/grpc/grpc-node/compare/@grpc/grpc-js@1.9.0...@grpc/grpc-js@1.9.1)

-   Improve formatting of channelz logs ([#&#8203;2535](https://togithub.com/grpc/grpc-node/issues/2535))
-   Avoid sending initial request after the deadline passes in some cases ([#&#8203;2536](https://togithub.com/grpc/grpc-node/issues/2536))
-   Fix possible null reference in pick_first load balancing policy ([#&#8203;2539](https://togithub.com/grpc/grpc-node/issues/2539))
-   Allow empty method config names in service configs ([#&#8203;2550](https://togithub.com/grpc/grpc-node/issues/2550))
-   Defer actions in write callbacks on the client to potentially work around a Node bug ([#&#8203;2552](https://togithub.com/grpc/grpc-node/issues/2552))

</details>

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