dependabot: bump jacksonVersion from 2.18.0 to 2.18.2

Bumps `jacksonVersion` from 2.18.0 to 2.18.2.

Updates `com.fasterxml.jackson.core:jackson-databind` from 2.18.0 to 2.18.2
- [Commits](https://github.com/FasterXML/jackson/commits)

Updates `com.fasterxml.jackson.core:jackson-annotations` from 2.18.0 to 2.18.2
- [Commits](https://github.com/FasterXML/jackson/commits)

Updates `com.fasterxml.jackson.core:jackson-core` from 2.18.0 to 2.18.2
- [Commits](FasterXML/jackson-core@jackson-core-2.18.0...jackson-core-2.18.2)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.fasterxml.jackson.core:jackson-annotations
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.fasterxml.jackson.core:jackson-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -45,7 +45,7 @@ buildscript {
         bwcFilePath = "src/test/resources/org/opensearch/ad/bwc/"
         bwcJobSchedulerPath = bwcFilePath + "job-scheduler/"
         bwcAnomalyDetectionPath = bwcFilePath + "anomaly-detection/"
-        jacksonVersion = "2.18.0"
+        jacksonVersion = "2.18.2"
         // gradle build won't print logs during test by default unless there is a failure.
         // It is useful to record intermediately information like prediction precision and recall.
         // This option turn on log printing during tests.