Bump com.fasterxml.jackson:jackson-bom from 2.21.3 to 2.21.4 (#55)

Bumps
[com.fasterxml.jackson:jackson-bom](https://github.com/FasterXML/jackson-bom)
from 2.21.3 to 2.21.4.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/FasterXML/jackson-bom/commit/d1abd31e4fec3035965d57a05a6256171ea8d980"><code>d1abd31</code></a>
[maven-release-plugin] prepare release jackson-bom-2.21.4</li>
<li><a
href="https://github.com/FasterXML/jackson-bom/commit/2aaea43db8480aa7d405ebc0de503cffc864f6f6"><code>2aaea43</code></a>
Prep for 2.21.4 release</li>
<li><a
href="https://github.com/FasterXML/jackson-bom/commit/9d3a9d54e40312ef0ac9192d599b59b541f65fb8"><code>9d3a9d5</code></a>
Post-release dep version bump</li>
<li><a
href="https://github.com/FasterXML/jackson-bom/commit/84bcf7f5b268bc2b47a92bd08391f75e9d956793"><code>84bcf7f</code></a>
[maven-release-plugin] prepare for next development iteration</li>
<li>See full diff in <a
href="https://github.com/FasterXML/jackson-bom/compare/jackson-bom-2.21.3...jackson-bom-2.21.4">compare
view</a></li>
</ul>
</details>
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gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-jacksonVersion = "2.21.3"
+jacksonVersion = "2.21.4"
 dotenvVersion = "6.5.1"
 log4j2-version = "2.26.0"
 kotlinLoggingVersion = "8.0.4"