ARROW-15864: [Java][Docs] Update Arrow nightly Maven releases documentation
ARROW-15864: [Java][Docs] Update Arrow nightly Maven releases documentation

Current java artifacts nightly build are uploaded to github as an assets.

Update current [documentation](https://github.com/apache/arrow/blob/650f111b524fb1c5bfbfa6f533d15929c90ddc40/docs/source/java/install.rst#installing-nightly-packages) related to how to install java artifacts nightly.

The artifacts are downloaded without problems but .pom and .jar are downloaded as an invalid file format.

Add detail about how to upload jar to maven locally.

Closes #12578 from davisusanibar/ARROW-15864

Lead-authored-by: david dali susanibar arce <1bfbbb2b65951f3bb1fb1318f287e82ffd1c5d3c@gmail.com>
Co-authored-by: David Li <dc24f9cfc84fb1675ce65c8444a2c3e2f0e5f297@gmail.com>
Signed-off-by: David Li <dc24f9cfc84fb1675ce65c8444a2c3e2f0e5f297@gmail.com>

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