Bump flyway.version from 10.20.1 to 10.21.0

Bumps `flyway.version` from 10.20.1 to 10.21.0.

Updates `org.flywaydb:flyway-database-oracle` from 10.20.1 to 10.21.0

Updates `org.flywaydb:flyway-database-postgresql` from 10.20.1 to 10.21.0

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

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

pom.xml

@@ -49,7 +49,7 @@
         <kafka.version>3.8.1</kafka.version>
 
         <hikari.version>6.1.0</hikari.version>
-        <flyway.version>10.20.1</flyway.version>
+        <flyway.version>10.21.0</flyway.version>
         <postgresql.version>42.7.4</postgresql.version>
         <vault-jdbc.version>1.3.10</vault-jdbc.version>