Make it more ergonmic to use PartiqlShapeBuilder and type macros

[jpschorr]

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Attention: Patch coverage is 43.75000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 80.54%. Comparing base (298a7ac) to head (cc23279).
Report is 1 commits behind head on main.

Files	Patch %	Lines
partiql-types/src/lib.rs	43.75%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #490      +/-   ##
==========================================
- Coverage   80.57%   80.54%   -0.04%     
==========================================
  Files          70       70              
  Lines       19025    19040      +15     
  Branches    19025    19040      +15     
==========================================
+ Hits        15330    15336       +6     
- Misses       3248     3257       +9     
  Partials      447      447              

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[github-actions]

Conformance comparison report

	Base (298a7ac)	a184d7f	+/-
% Passing	90.35%	90.35%	0.00%
✅ Passing	5731	5731	0
❌ Failing	612	612	0
🔶 Ignored	0	0	0
Total Tests	6343	6343	0

Number passing in both: 5731

Number failing in both: 612

Number passing in Base (298a7ac) but now fail: 0

Number failing in Base (298a7ac) but now pass: 0