chore: Update hugr dependency to 0.28

[maximilianruesch]

Prepares an update to the latest (unreleased) version of hugr, most importantly with the type-term unification.

[codecov]

Codecov Report

❌ Patch coverage is 81.62544% with 52 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.50%. Comparing base (f5952d4) to head (966c46f).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
tket-qsystem/src/extension/classical_compute.rs	49.05%	24 Missing and 3 partials ⚠️
tket/src/serialize/pytket/decoder/wires.rs	20.00%	11 Missing and 1 partial ⚠️
tket/src/passes/monomorphize.rs	77.77%	2 Missing ⚠️
tket/src/passes/replace_types/handlers.rs	77.77%	0 Missing and 2 partials ⚠️
tket/src/passes/replace_types/linearize.rs	77.77%	1 Missing and 1 partial ⚠️
tket-qsystem/src/extension/futures.rs	75.00%	1 Missing ⚠️
tket-qsystem/src/lower_drops.rs	66.66%	0 Missing and 1 partial ⚠️
tket-qsystem/src/replace_bools.rs	80.00%	1 Missing ⚠️
tket/src/circuit/extract_dfg.rs	0.00%	1 Missing ⚠️
tket/src/passes/replace_types.rs	95.83%	0 Missing and 1 partial ⚠️
... and 2 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1580      +/-   ##
==========================================
+ Coverage   85.44%   85.50%   +0.05%     
==========================================
  Files         184      184              
  Lines       28768    29065     +297     
  Branches    27567    27864     +297     
==========================================
+ Hits        24582    24851     +269     
- Misses       3055     3078      +23     
- Partials     1131     1136       +5     

Flag	Coverage Δ
python	90.45% <ø> (ø)
qis-compiler	91.66% <ø> (ø)
rust	85.28% <81.62%> (+0.05%)	⬆️

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[cgh-qtnm]

I believe I will need to merge #1521 into this PR to cleanly upgrade everything to the next HUGR version (due to breaking changes in Quantinuum/hugr#3026). Let me know when this PR is updated to 6742c53 and then I will retarget the debug info PR and get it ready to merge.

[codspeed-hq]

Merging this PR will degrade performance by 19.82%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

❌ 3 regressed benchmarks
⏩ 3 skipped benchmarks¹

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	hash_simple[1000]	8.4 ms	10.5 ms	-19.42%
❌	hash_simple[100]	871.4 µs	1,082.1 µs	-19.47%
❌	hash_simple[10]	109.1 µs	137.3 µs	-20.57%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

---

_{Comparing mr/chore/update-hugr-0.28 (966c46f) with main (084c9de)}

Footnotes

1. 3 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩