[jnigen] Bump actions/setup-java (https://github.com/dart-lang/jnigen/issues/191)

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 9b86bbe88a8152e5b9e6c15fd2e0efdd2994ffb6 to ea15b3b99cdc9ac45af1882d085e3f9297a75a8b.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](https://github.com/actions/setup-java/compare/9b86bbe88a8152e5b9e6c15fd2e0efdd2994ffb6...ea15b3b99cdc9ac45af1882d085e3f9297a75a8b)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-type: direct:production
...

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