build(deps): Bump github.com/BurntSushi/toml from 1.2.0 to 1.2.1 (#9616)

Bumps [github.com/BurntSushi/toml](https://github.com/BurntSushi/toml) from 1.2.0 to 1.2.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/BurntSushi/toml/releases">github.com/BurntSushi/toml's releases</a>.</em></p>
<blockquote>
<h2>v1.2.1</h2>
<p>This release fixes the <code>omitempty</code> struct tag on an uncomparable type panicking.</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="74c008f3d2"><code>74c008f</code></a> Test Go 1.19; gofmt 1.19</li>
<li><a href="8de7f4a34c"><code>8de7f4a</code></a> Update tests a little bit and add comment</li>
<li><a href="8bbca55db5"><code>8bbca55</code></a> add a check for uncomparable empty structs</li>
<li><a href="17ef72d8f7"><code>17ef72d</code></a> Tweak docs to use Go 1.19 syntax</li>
<li><a href="1ba7f5b059"><code>1ba7f5b</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/BurntSushi/toml/issues/367">#367</a> from zhsj/fix-32</li>
<li><a href="473c10f5a3"><code>473c10f</code></a> Fix test on 32 bit arch</li>
<li><a href="360c9e3496"><code>360c9e3</code></a> Don't return error on uncomparable types: just silently ignore like before</li>
<li><a href="929b0a7b98"><code>929b0a7</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/BurntSushi/toml/issues/361">#361</a> from BurntSushi/p-omitempty</li>
<li><a href="8d9ffad36d"><code>8d9ffad</code></a> Don't panic with 'omitempty' and uncomparable type</li>
<li>See full diff in <a href="https://github.com/BurntSushi/toml/compare/v1.2.0...v1.2.1">compare view</a></li>
</ul>
</details>
<br />


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</details>

go.mod

@@ -3,7 +3,7 @@ module github.com/tendermint/tendermint
 go 1.18
 
 require (
-	github.com/BurntSushi/toml v1.2.0
+	github.com/BurntSushi/toml v1.2.1
 	github.com/adlio/schema v1.3.3
 	github.com/cenkalti/backoff v2.2.1+incompatible // indirect
 	github.com/fortytw2/leaktest v1.3.0