Support Java Modules and Multi-Module Projects out of the box

### New feature, improvement proposal

Version 1.2.0

I've lost countless days trying to figure out why I was getting `module-info.java` related compiler errors when `module-info` was up-to-date. I eventually tracked it down to configuration problems with this extension.

Can you *please* make the following configuration the default, so JPMS and multi-module reactors work properly out of the box without unexpected failures?

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The issue names no files, tests, or entry points. Start by locating where the extension defines its default build-cache configuration, then compare it with the JPMS and multi-module configuration shown here. Done should make that configuration effective by default and cover the listed compiler, jar, install, duplicate-finder, and enforcer reconciliations.

Written by the indexing model from the issue text.