Bump com.fasterxml.jackson:jackson-bom from 2.20.1 to 2.21.0

Bumps [com.fasterxml.jackson:jackson-bom](https://github.com/FasterXML/jackson-bom) from 2.20.1 to 2.21.0.
- [Commits](FasterXML/jackson-bom@jackson-bom-2.20.1...jackson-bom-2.21.0)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson:jackson-bom
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -2,7 +2,7 @@
 slf4j-version = "2.0.17"
 log4j2-version = "2.25.3"
 picocli-version = "4.7.7"
-jackson-version = "2.20.1"
+jackson-version = "2.21.0"
 jspecify-version = "1.0.0"
 metadata-extractor-version = "2.19.0"
 pointlocation6709-version = "5.0.1"