Update pom.xml for release

[elmsdata]

Since sonatype approved the group id in issue OSSRH-90842, we need to update the group id and set the initial version to 0.0.1.

[aalmiray]

Additionally, I'd suggest updating pom.xml to generate reproducible artifacts. This requires

• updating plugin versions
• removing non reproducible JAR manifest attributes
• adding a reproducible timestamp