Bump flyway-core from 9.15.0 to 9.15.1 in /core (closes #531)

Bumps [flyway-core](https://github.com/flyway/flyway) from 9.15.0 to 9.15.1.
- [Release notes](https://github.com/flyway/flyway/releases)
- [Commits](https://github.com/flyway/flyway/compare/flyway-9.15.0...flyway-9.15.1)

Change-Id: I2e5b4656af187af7c1c680cfb3c82995e28755a3

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

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

Change-Id: I5a83acdaaf499b5ec6d56d0dae05095ba26787d0
diff --git a/core/pom.xml b/core/pom.xml
index 973c824..7fd5aef 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -12,8 +12,8 @@
 		<jersey.version>2.39</jersey.version>
 		<jetty.version>9.4.50.v20221201</jetty.version>
 		<hibernate.version>5.6.15.Final</hibernate.version>
-		<flyway.version>9.15.0</flyway.version>
-		<log4j.version>2.20.0</log4j.version>
+		<flyway.version>9.15.1</flyway.version>
+		<log4j.version>2.19.0</log4j.version>
 		<krill.version>[0.61,)</krill.version>
 		<koral.version>[0.39,)</koral.version>
 	</properties>