Java 21 support

[yuzawa-san]

Description of Changes

• compile on java 21 (drops support for 19)
• still on preview until 22

[codecov]

Codecov Report

Attention: 27 lines in your changes are missing coverage. Please review.

Comparison is base (58f3edb) 81.37% compared to head (199640d) 80.89%.

Files	Patch %	Lines
...main/java/com/jyuzawa/onnxruntime/SessionImpl.java	85.93%	8 Missing and 1 partial ⚠️
src/main/java/com/jyuzawa/onnxruntime/ApiImpl.java	85.18%	2 Missing and 2 partials ⚠️
...m/jyuzawa/onnxruntime/OnnxRuntimeLoggingLevel.java	73.33%	2 Missing and 2 partials ⚠️
...ain/java/com/jyuzawa/onnxruntime/TypeInfoImpl.java	91.89%	1 Missing and 2 partials ⚠️
...awa/onnxruntime/ExecutionProviderObjectConfig.java	33.33%	2 Missing ⚠️
...a/onnxruntime/ExecutionProviderMIGraphXConfig.java	0.00%	1 Missing ⚠️
...yuzawa/onnxruntime/ExecutionProviderMapConfig.java	0.00%	1 Missing ⚠️
...a/onnxruntime/ExecutionProviderOpenVINOConfig.java	0.00%	1 Missing ⚠️
...uzawa/onnxruntime/ExecutionProviderROCMConfig.java	0.00%	1 Missing ⚠️
.../java/com/jyuzawa/onnxruntime/OnnxRuntimeImpl.java	85.71%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #173      +/-   ##
============================================
- Coverage     81.37%   80.89%   -0.49%     
+ Complexity      339      336       -3     
============================================
  Files            50       50              
  Lines          1439     1434       -5     
  Branches         93       95       +2     
============================================
- Hits           1171     1160      -11     
- Misses          230      234       +4     
- Partials         38       40       +2     

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