Update LICENSE

[clajo04]

The current LICENSE file does not support the GitHub License badge detecting the correct license of the project. Replacing the current license file with a copy of the license file from the Apache License 2.0 website will cause the GitHub License badge to correctly identify the license of jpype.

Running the licensee gem on the original repository resulted in the following output:

licensee detect License: NOASSERTION Matched files: LICENSE LICENSE: Content hash: c7acc21e9e359f098c0718f309ebd9d1fc15e355 License: NOASSERTION Closest non-matching licenses: Apache-2.0 similarity: 96.04% ECL-2.0 similarity: 82.57% OSL-3.0 similarity: 39.75%

Running the licensee gem on the updated repository results in the following output:

licensee detect License: Apache-2.0 Matched files: LICENSE LICENSE: Content hash: bec905d850e7f5dc2e2db78a950d4a9db560a0b8 Confidence: 100.00% Matcher: Licensee::Matchers::Exact License: Apache-2.0

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 87.44%. Comparing base (653ccff) to head (98331a6). Report is 160 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1211 +/- ## ========================================== + Coverage 87.42% 87.44% +0.01% ========================================== Files 113 113 Lines 10238 10234 -4 Branches 4059 4059 ========================================== - Hits 8951 8949 -2 + Misses 692 691 -1 + Partials 595 594 -1 ```

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