fix(maven): Add proper error handling for invalid settings.xml when publishing

[jliempt]

Changes

Errors with unmarshalling the settings.xml for adding staging repository secrets were not being handled.

• [x] Tests
• [ ] Documentation

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[jliempt]

/it-go