Bump joda-time from 2.11.2 to 2.12.0 in /core

Bumps [joda-time](https://github.com/JodaOrg/joda-time) from 2.11.2 to 2.12.0.
- [Release notes](https://github.com/JodaOrg/joda-time/releases)
- [Changelog](https://github.com/JodaOrg/joda-time/blob/main/RELEASE-NOTES.txt)
- [Commits](https://github.com/JodaOrg/joda-time/compare/v2.11.2...v2.12.0)

---
updated-dependencies:
- dependency-name: joda-time:joda-time
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Closes #456

Change-Id: I3cb3a47e4372e98abde2d7615bbe19f0e73910b7
diff --git a/core/pom.xml b/core/pom.xml
index bde578d..f77de3b 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -253,7 +253,7 @@
 		<dependency>
 			<groupId>joda-time</groupId>
 			<artifactId>joda-time</artifactId>
-			<version>2.11.2</version>
+			<version>2.12.0</version>
 		</dependency>
 		<dependency>
 			<groupId>de.ids_mannheim.korap</groupId>