build(deps): bump flywayVersion from 12.1.1 to 12.3.0

Bumps `flywayVersion` from 12.1.1 to 12.3.0.

Updates `org.flywaydb:flyway-core` from 12.1.1 to 12.3.0

Updates `org.flywaydb:flyway-mysql` from 12.1.1 to 12.3.0

Updates `org.flywaydb:flyway-database-postgresql` from 12.1.1 to 12.3.0

---
updated-dependencies:
- dependency-name: org.flywaydb:flyway-core
  dependency-version: 12.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.flywaydb:flyway-mysql
  dependency-version: 12.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.flywaydb:flyway-database-postgresql
  dependency-version: 12.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         asciiDoctorConvertPluginVersion = '4.0.5'
         bcpkixFipsVersion = '2.1.10'
         bcFipsVersion = '2.1.2'
-        flywayVersion = '12.1.1'
+        flywayVersion = '12.3.0'
         guavaVersion = '33.5.0-jre'
         kotlinVersion = '2.3.20'
         ktlintVersion = '1.5.0'