build(deps): Bump google.golang.org/grpc from 1.50.0 to 1.50.1 (#9567)

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.50.0 to 1.50.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/grpc/grpc-go/releases">google.golang.org/grpc's releases</a>.</em></p>
<blockquote>
<h2>Release 1.50.1</h2>
<p>New Features</p>
<ul>
<li>gcp/observability: support new configuration defined in public preview user guide</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="4c776ec015"><code>4c776ec</code></a> Cherry-pick observability changes from master to v1.50.x and update version t...</li>
<li><a href="6576007e56"><code>6576007</code></a> Change version to 1.50.1-dev (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/5686">#5686</a>)</li>
<li>See full diff in <a href="https://github.com/grpc/grpc-go/compare/v1.50.0...v1.50.1">compare view</a></li>
</ul>
</details>
<br />


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</details>

go.mod

@@ -34,7 +34,7 @@ require (
 	github.com/tendermint/tm-db v0.6.6
 	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa
 	golang.org/x/net v0.0.0-20220812174116-3211cb980234
-	google.golang.org/grpc v1.50.0
+	google.golang.org/grpc v1.50.1
 )
 
 require (