refactor: update JavaObject.to_object(&VM) -> JavaObject.to_object(&Thread)

[brianheineman]

No description provided.

[github-actions]

Bencher Report

Branch	refactor-java-object
Testbed	Linux

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Benchmark	Latency	nanoseconds (ns)
default_class_loader	📈 view plot ⚠️ NO THRESHOLD	7,574,500.00 ns
from_bytes	📈 view plot ⚠️ NO THRESHOLD	32,670.00 ns
hello_world	📈 view plot ⚠️ NO THRESHOLD	185,150,000.00 ns
load_hash_map	📈 view plot ⚠️ NO THRESHOLD	383.29 ns
load_invalid_class	📈 view plot ⚠️ NO THRESHOLD	29,464.00 ns
to_bytes	📈 view plot ⚠️ NO THRESHOLD	18,013.00 ns
to_string	📈 view plot ⚠️ NO THRESHOLD	126,500.00 ns
verify	📈 view plot ⚠️ NO THRESHOLD	754.42 ns
vm_init	📈 view plot ⚠️ NO THRESHOLD	175,660,000.00 ns

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[codecov]

Codecov Report

Attention: Patch coverage is 91.82692% with 34 lines in your changes missing coverage. Please review.

Project coverage is 96.22%. Comparing base (11439d1) to head (4b52370).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
ristretto_vm/src/instruction/invokedynamic.rs	0.00%	17 Missing ⚠️
..._vm/src/intrinsic_methods/java/lang/classloader.rs	0.00%	10 Missing ⚠️
...tretto_vm/src/intrinsic_methods/java/lang/class.rs	96.80%	3 Missing ⚠️
ristretto_vm/src/vm.rs	0.00%	2 Missing ⚠️
...retto_vm/src/intrinsic_methods/java/lang/system.rs	50.00%	1 Missing ⚠️
...sic_methods/jdk/internal/loader/nativelibraries.rs	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #432      +/-   ##
==========================================
- Coverage   96.22%   96.22%   -0.01%     
==========================================
  Files         566      566              
  Lines       58549    58501      -48     
==========================================
- Hits        56340    56293      -47     
+ Misses       2209     2208       -1     

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