Bump flyway-core from 9.11.0 to 9.12.0 in /core (closes #505)

Bumps [flyway-core](https://github.com/flyway/flyway) from 9.11.0 to 9.12.0.
- [Release notes](https://github.com/flyway/flyway/releases)
- [Commits](https://github.com/flyway/flyway/commits)

---
updated-dependencies:
- dependency-name: org.flywaydb:flyway-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Change-Id: I086ef7961d1c85f0469a2ba6cd79bbf070b131ac
diff --git a/core/pom.xml b/core/pom.xml
index b810ad7..1c26da4 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -12,7 +12,7 @@
 		<jersey.version>2.37</jersey.version>
 		<jetty.version>9.4.50.v20221201</jetty.version>
 		<hibernate.version>5.6.14.Final</hibernate.version>
-		<flyway.version>9.11.0</flyway.version>
+		<flyway.version>9.12.0</flyway.version>
 		<log4j.version>2.19.0</log4j.version>
 		<krill.version>[0.61,)</krill.version>
 		<koral.version>[0.39,)</koral.version>