Bump liquibase-core from 3.5.1 to 4.8.0 in /ollie-targetplatform

Bumps [liquibase-core](https://github.com/liquibase/liquibase) from 3.5.1 to 4.8.0.
- [Release notes](https://github.com/liquibase/liquibase/releases)
- [Changelog](https://github.com/liquibase/liquibase/blob/master/changelog.txt)
- [Commits](liquibase/liquibase@liquibase-parent-3.5.1...v4.8.0)

---
updated-dependencies:
- dependency-name: org.liquibase:liquibase-core
  dependency-type: direct:production
...

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

ollie-targetplatform/pom.xml

@@ -22,7 +22,7 @@
     <jetty.version>9.4.20.v20190813</jetty.version>
     <jooq.version>3.11.3</jooq.version>
     <junit.version>4.12</junit.version>
-    <liquibase.version>3.5.1</liquibase.version> <!-- the newer versions (up to 3.5.3) have incorrect mappings for PG's blob/bytea -->
+    <liquibase.version>4.8.0</liquibase.version> <!-- the newer versions (up to 3.5.3) have incorrect mappings for PG's blob/bytea -->
     <logback.version>1.2.3</logback.version>
     <metrics.version>3.2.2</metrics.version>
     <okhttp.version>3.10.0</okhttp.version>