Replaced javax.validation with jakarta.validation, added jackson-databind-nullable dependency in pom

Parent child characteristics

See merge request !5

version per osl component from parent

See merge request !4

Merge branch '5-fix-for-issue-https-labs-etsi-org-rep-osl-code-org-etsi-osl-tmf-api-issues-14' into 'develop'

Resolve "Fix for issue org.etsi.osl.tmf.api#14"

See merge request !3

Resolve "Update gitlab CI file to use inherited jobs from main"

See merge request !2

Merge branch '1-create-a-pipeline-to-build-and-publish-the-mvn-package-in-gitlab-registry' into 'develop'

Resolve "Create a pipeline to build and publish the mvn package in gitlab registry"

See merge request !1