build(deps-dev): bump org.flywaydb:flyway-core from 9.20.0 to 9.21.1

Bumps [org.flywaydb:flyway-core](https://github.com/flyway/flyway) from 9.20.0 to 9.21.1.
- [Release notes](https://github.com/flyway/flyway/releases)
- [Commits](flyway/flyway@flyway-9.20.0...flyway-9.21.1)

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

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

pom.xml

@@ -218,7 +218,7 @@
             <dependency>
                 <groupId>org.flywaydb</groupId>
                 <artifactId>flyway-core</artifactId>
-                <version>9.20.0</version>
+                <version>9.21.1</version>
             </dependency>
             <dependency>
                 <groupId>org.postgresql</groupId>