Bump liquibase-core from 4.20.0 to 4.21.0 (#641)

Bumps [liquibase-core](https://github.com/liquibase/liquibase) from 4.20.0 to 4.21.0.
- [Release notes](https://github.com/liquibase/liquibase/releases)
- [Changelog](https://github.com/liquibase/liquibase/blob/master/changelog.txt)
- [Commits](liquibase/liquibase@v4.20.0...v4.21.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -71,7 +71,7 @@
         <jsch.version>0.1.55</jsch.version>
         <jsr305.version>3.0.2</jsr305.version>
         <kotlin.version>1.8.20</kotlin.version>
-        <liquibase.version>4.20.0</liquibase.version>
+        <liquibase.version>4.21.0</liquibase.version>
         <logback-access.version>1.3.6</logback-access.version>
         <logback-classic.version>1.3.6</logback-classic.version>
         <logback-core.version>1.3.6</logback-core.version>