POM update and locale fixes

[offa]

• Update to latest POM 4.46
• Remove deprecated java.version
• Fix number formatting on non-english systems
• Fix encoding of resource strings

---

• [x] Make sure you are opening from a topic/feature/bugfix branch (right side) and not your main branch!
• [x] Ensure that the pull request title represents the desired changelog entry
• [x] Please describe what you did
• [x] Link to relevant issues in GitHub or Jira
• [x] Link to relevant pull requests, esp. upstream and downstream changes
• [x] Ensure you have provided tests - that demonstrates feature works or fixes the issue