Align Java compile options

[AnttiMK]

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Description

Aligns Java compile options so that application code is compiled to a desired release version, while all other tasks (e.g. tests) can use the latest version. This now makes it possible to write tests with Java 25, while keeping application code per module at a specified release version. Shadowed module dependencies (apart from Adventure module) for the plugin module aren't also needed anymore. Since the module now technically "uses" the latest Java version, it accepts compiled classes with differing release versions without any errors.

I currently don't have the means to test this with all platform combinations, but I'd guess running each platform with their minimum supported Java version should suffice. I did decompress the output JAR and inspect a couple of common and platform classes, and their version headers looked correct.

[AuroraLS3]

Thank you :)

I tested following versions

• ✔ Java 25 Paper 1.21.8
• ✔ Java 25 Bungeecord (latest)
• ✔ Java 25 Velocity 3.5.0-SNAPSHOT
• ✔ Java 21 Sponge 13
• ✖ Java 25 Sponge 13 (Did not function - which is expected)
• ✔ Java 25 Folia 1.20.4
• ✔ Java 11 nukkit

I assume you have tested following versions, please let me know if you have not.

• Java 11 Paper 1.12.2
• Java 25 Fabric

[AuroraLS3]

Sorry I meant Java 11 Paper 1.13.2

[AuroraLS3]

You might also want to edit Contributors.java

[AnttiMK]

I assume you have tested following versions

Yeah, I just realized I tried on 1.12.2 with Java 11 and it worked so I'm assuming 1.13.2 also works xD