Use net.alchim31.maven:scala-maven-plugin instead of org.scala-tools:maven-scala-plugin

org.scala-tools:maven-scala-plugin is not maintained since a long time.

[net.alchim31.maven:scala-maven-plugin](https://github.com/davidB/scala-maven-plugin) is the replacement.

Also Scala version could be upgraded from 2.12.8 to 2.12.13

Few other Maven plugins also could be upgraded.

**Reporter**: [Martin Tzvetanov Grigorov](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=mgrigorov) / @martin-g
#### PRs and other links:
- [Pull Request](https://github.com/apache/parquet-mr/pull/866)

_{**Note**: *This issue was originally created as [PARQUET-1976](https://issues.apache.org/jira/browse/PARQUET-1976). Please see the [migration documentation](https://issues.apache.org/jira/browse/PARQUET-2502) for further details.*}

Commencez par examiner la configuration de build Maven pour org.scala-tools:maven-scala-plugin et la version 2.12.8 de Scala. Consultez le Pull Request 866 lié ainsi que la documentation de migration, puis vérifiez que le plugin de remplacement et les mises à jour de version indiquées sont bien reflétés et que le build Maven passe toujours.

Rédigé par le modèle d'indexation à partir du texte de l'issue.