Bump jackson.version from 2.20.1 to 2.21.0 (#179)

Bumps `jackson.version` from 2.20.1 to 2.21.0.

Updates `com.fasterxml.jackson.core:jackson-core` from 2.20.1 to 2.21.0
- [Commits](FasterXML/jackson-core@jackson-core-2.20.1...jackson-core-2.21.0)

Updates `com.fasterxml.jackson.core:jackson-databind` from 2.20.1 to 2.21.0
- [Commits](https://github.com/FasterXML/jackson/commits)

Updates `com.fasterxml.jackson.datatype:jackson-datatype-jdk8` from 2.20.1 to 2.21.0

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-core
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.fasterxml.jackson.datatype:jackson-datatype-jdk8
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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pom.xml

@@ -74,7 +74,7 @@
     <docker.client.version>3.7.0</docker.client.version>
     <spotbugs.annotations.version>4.9.8</spotbugs.annotations.version>
     <guava.version>33.5.0-jre</guava.version>
-    <jackson.version>2.20.1</jackson.version>
+    <jackson.version>2.21.0</jackson.version>
     <hamcrest.version>3.0</hamcrest.version>
     <jsr305.version>3.0.2</jsr305.version>
     <junit.version>4.13.2</junit.version>