fix(deps): Update dependency @grpc/grpc-js to v1.9.9 (#26)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [@grpc/grpc-js](https://grpc.io/) ([source](https://togithub.com/grpc/grpc-node)) | devDependencies | patch | [`1.9.4` -> `1.9.9`](https://renovatebot.com/diffs/npm/@grpc%2fgrpc-js/1.9.4/1.9.9) |

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### Release Notes

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

### [`v1.9.9`](https://togithub.com/grpc/grpc-node/compare/b75a8c98d74a86dcd238027af582caf57effa0f4...51b0f66cc29ec81088cf6fe7b05cd8e42061ed82)

[Compare Source](https://togithub.com/grpc/grpc-node/compare/b75a8c98d74a86dcd238027af582caf57effa0f4...51b0f66cc29ec81088cf6fe7b05cd8e42061ed82)

### [`v1.9.8`](https://togithub.com/grpc/grpc-node/compare/@grpc/[email protected])

[Compare Source](https://togithub.com/grpc/grpc-node/compare/@grpc/[email protected])

### [`v1.9.7`](https://togithub.com/grpc/grpc-node/releases/tag/%40grpc/grpc-js%401.9.7): @&#8203;grpc/grpc-js 1.9.7

[Compare Source](https://togithub.com/grpc/grpc-node/compare/@grpc/[email protected]...@grpc/[email protected])

-   Fix a bug that could cause a client to not update name resolution after multiple failed connection attempts ([#&#8203;2602](https://togithub.com/grpc/grpc-node/issues/2602))

### [`v1.9.6`](https://togithub.com/grpc/grpc-node/releases/tag/%40grpc/grpc-js%401.9.6): @&#8203;grpc/grpc-js 1.9.6

[Compare Source](https://togithub.com/grpc/grpc-node/compare/@grpc/[email protected]...@grpc/[email protected])

-   Include more information in most "No connection established" errors ([#&#8203;2598](https://togithub.com/grpc/grpc-node/issues/2598))
-   Remove the `index` tracer, and add more information to other trace logs ([#&#8203;2599](https://togithub.com/grpc/grpc-node/issues/2599))

### [`v1.9.5`](https://togithub.com/grpc/grpc-node/releases/tag/%40grpc/grpc-js%401.9.5): @&#8203;grpc/grpc-js 1.9.5

[Compare Source](https://togithub.com/grpc/grpc-node/compare/@grpc/[email protected]...@grpc/[email protected])

-   Fix a type inconsistency in `server-call.ts` ([#&#8203;2589](https://togithub.com/grpc/grpc-node/issues/2589) contributed by [@&#8203;rsnullptr](https://togithub.com/rsnullptr))
-   Close ports if the server is shut down while the bind operation is ongoing ([#&#8203;2590](https://togithub.com/grpc/grpc-node/issues/2590))

</details>

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