Move utilities to a separate file.

[sentilesdal]

Consolidates the utility functions like tuple_to_dataclass to a utilities.py file. This reduces duplicated code in the generated Contract.py files.

• move utilities to a separate file
• regenerate types
• update snapshots

[codecov-commenter]

Codecov Report

Attention: 155 lines in your changes are missing coverage. Please review.

Comparison is base (36e61a3) 73.67% compared to head (30317d4) 72.03%.

Files	Patch %	Lines
pypechain/test/events/types/utilities.py	6.06%	31 Missing ⚠️
pypechain/test/overloading/types/utilities.py	6.06%	31 Missing ⚠️
pypechain/test/deployment/types/utilities.py	9.09%	30 Missing ⚠️
pypechain/test/return_types/types/utilities.py	24.24%	25 Missing ⚠️
example/types/utilities.py	27.27%	24 Missing ⚠️
example/types/ExampleContract.py	50.00%	5 Missing ⚠️
...est/overloading/types/OverloadedMethodsContract.py	33.33%	4 Missing ⚠️
pypechain/main.py	33.33%	2 Missing ⚠️
pypechain/templates/utilities.py	93.93%	2 Missing ⚠️
pypechain/test/events/types/EventsContract.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #82      +/-   ##
==========================================
- Coverage   73.67%   72.03%   -1.64%     
==========================================
  Files          32       38       +6     
  Lines        1679     1670       -9     
==========================================
- Hits         1237     1203      -34     
- Misses        442      467      +25     

Flag	Coverage Δ
unittests	72.03% <35.95%> (-1.64%)	⬇️

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