Overhaul of the integration test suite

[robomics]

• Closes [ci] run integration tests as part of Windows CI #207
• Closes [testing] rewrite integration tests using python #212

Supersedes #217.

[codecov]

Codecov Report

Attention: Patch coverage is 67.56757% with 12 lines in your changes missing coverage. Please review.

Project coverage is 71.94%. Comparing base (d2d6b0e) to head (049b7a0).
Report is 43 commits behind head on main.

Files with missing lines	Patch %	Lines
src/hictk/cli/cli_balance.cpp	16.66%	3 Missing and 2 partials ⚠️
src/hictk/cli/cli_dump.cpp	0.00%	2 Missing ⚠️
src/hictk/convert/convert.cpp	0.00%	2 Missing ⚠️
src/hictk/cli/cli_convert.cpp	94.11%	0 Missing and 1 partial ⚠️
...nclude/hictk/balancing/impl/sparse_matrix_impl.hpp	0.00%	0 Missing and 1 partial ⚠️
.../filestream/include/hictk/impl/filestream_impl.hpp	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #257      +/-   ##
==========================================
- Coverage   73.60%   71.94%   -1.67%     
==========================================
  Files         147      147              
  Lines       13156    13508     +352     
  Branches     1560     1557       -3     
==========================================
+ Hits         9684     9718      +34     
- Misses       2205     2490     +285     
- Partials     1267     1300      +33     

Flag	Coverage Δ
[tests	integration](https://app.codecov.io/gh/paulsengroup/hictk/pull/257/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=paulsengroup)	62.14% <73.52%> (?)
[tests	unittests](https://app.codecov.io/gh/paulsengroup/hictk/pull/257/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=paulsengroup)	51.63% <0.00%> (?)

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[robomics]

It would be good to get ccache working on Windows as well before merging...