Add missing version for maven-bundle-plugin
Adding a version of the maven-bundle-plugin in the pom.xml
The last build passed with the 5.1.9 version: https://gitlab.prtech.mk/svarog4/perun-core-services/-/jobs/309947#L103
This version is from May 18, 2023: https://mvnrepository.com/artifact/org.apache.felix/maven-bundle-plugin