ci(maven.yml): Update to node 14 for using semantic-release.

[binh-dam-ibigroup]

Checklist

• [x] Appropriate branch selected (all PRs must first be merged to dev before they can be merged to master)
• [na] Any modified or new methods or classes have helpful JavaDoc and code is thoroughly commented
• [na] The description lists all applicable issues this PR seeks to resolve
• [na] The description lists any configuration setting(s) that differ from the default settings
• [x] All tests and CI builds passing

Description

This PR updates node for semantic-release to import correctly in the CI builds.