fix: Add Automatic-Module-Name attribute to jar manifests for better Java 9+ JPMS compatibility

[peter277]

Add Automatic-Module-Name attribute to jar manifests for better Java 9+ JPMS compatibility. Affects: db-scheduler and db-scheduler-boot-starter.

Naturally the automatic module names I have entered are suggestions - please amend if required.

Fixes

• Maven warning when compiling modular project: Required filename-based automodules detected: [db-scheduler-13.0.0.jar]. Please don't publish this project to a public artifact repository!

Reminders

• [ ] Added/ran automated tests
• [ ] Update README and/or examples
• [x] Ran mvn spotless:apply

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cc @kagkarlsson