build(deps): Bump github.com/creachadair/tomledit from 0.0.22 to 0.0.23 (#9084)

Bumps [github.com/creachadair/tomledit](https://github.com/creachadair/tomledit) from 0.0.22 to 0.0.23.
<details>
<summary>Commits</summary>
<ul>
<li><a href="e7b6512f75"><code>e7b6512</code></a> Release v0.0.23.</li>
<li><a href="fdb62db21d"><code>fdb62db</code></a> Add tomldiff command-line tool.</li>
<li><a href="ce86b667b5"><code>ce86b66</code></a> Fix a comment typo.</li>
<li><a href="3834adf9ee"><code>3834adf</code></a> Fix documentation.</li>
<li><a href="525c9c12f6"><code>525c9c1</code></a> cli: escape as basic strings by default</li>
<li>See full diff in <a href="https://github.com/creachadair/tomledit/compare/v0.0.22...v0.0.23">compare view</a></li>
</ul>
</details>
<br />


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</details>

go.mod

@@ -240,7 +240,7 @@ require (
 )
 
 require (
-	github.com/creachadair/tomledit v0.0.22
+	github.com/creachadair/tomledit v0.0.23
 	github.com/prometheus/client_model v0.2.0
 	github.com/prometheus/common v0.37.0
 	github.com/syndtr/goleveldb v1.0.1-0.20200815110645-5c35d600f0ca