chore(deps): bump com.fasterxml.jackson.core:jackson-databind

Bumps the jackson group with 1 update: [com.fasterxml.jackson.core:jackson-databind](https://github.com/FasterXML/jackson).


Updates `com.fasterxml.jackson.core:jackson-databind` from 2.18.3 to 2.21.3
- [Commits](https://github.com/FasterXML/jackson/commits)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-version: 2.21.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: jackson
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -45,7 +45,7 @@
 
         <!-- Dependency versions -->
         <javalin.version>6.6.0</javalin.version>
-        <jackson.version>2.18.3</jackson.version>
+        <jackson.version>2.21.3</jackson.version>
         <slf4j.version>2.0.17</slf4j.version>
         <logback.version>1.5.18</logback.version>
         <jmh.version>1.37</jmh.version>