fix: StaticArrayValue serialisation

[doug-q]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 30.43478% with 16 lines in your changes missing coverage. Please review.

Project coverage is 83.71%. Comparing base (6bd7665) to head (94e2d30).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...ore/src/std_extensions/collections/static_array.rs	30.00%	14 Missing ⚠️
hugr-py/src/hugr/std/collections/static_array.py	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2009      +/-   ##
==========================================
- Coverage   83.73%   83.71%   -0.03%     
==========================================
  Files         209      209              
  Lines       39266    39279      +13     
  Branches    35937    35949      +12     
==========================================
+ Hits        32879    32881       +2     
- Misses       4541     4552      +11     
  Partials     1846     1846              

Flag	Coverage Δ
python	92.01% <33.33%> (-0.03%)	⬇️
rust	82.94% <30.00%> (-0.03%)	⬇️

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[hugrbot]

This PR contains breaking changes to the public Rust API.
Please deprecate the old API instead (if possible), or mark the PR with a ! to indicate a breaking change.

cargo-semver-checks summary

--- failure constructible_struct_adds_private_field: struct no longer constructible due to new private field ---

Description:
A struct constructible with a struct literal has a new non-public field. It can no longer be constructed using a struct literal outside of its crate.
      ref: https://doc.rust-lang.org/reference/expressions/struct-expr.html
     impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.40.0/src/lints/constructible_struct_adds_private_field.ron

Failed in:
field StaticArrayValue.values in /home/runner/work/hugr/hugr/PR_BRANCH/hugr-core/src/std_extensions/collections/static_array.rs:61
field StaticArrayValue.typ in /home/runner/work/hugr/hugr/PR_BRANCH/hugr-core/src/std_extensions/collections/static_array.rs:62

--- failure struct_pub_field_missing: pub struct's pub field removed or renamed ---

Description:
A publicly-visible struct has at least one public field that is no longer available under its prior name. It may have been renamed or removed entirely.
      ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
     impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.40.0/src/lints/struct_pub_field_missing.ron

Failed in:
field value of struct StaticArrayValue, previously in file /home/runner/work/hugr/hugr/BASELINE_BRANCH/hugr-core/src/std_extensions/collections/static_array.rs:61

[tatiana-s]

Looks good to me