Add fields to docstring for AD test utils

[penelopeysm]

The docstrings don't list the fields of the return types. This fixes it.

Needs a patch bump so that the 'stable' version of the docs has this info.

[github-actions]

Benchmark Report for Commit 85949ef

Computer Information

Julia Version 1.11.5
Commit 760b2e5b739 (2025-04-14 06:53 UTC)
Build Info:
  Official https://julialang.org/ release
Platform Info:
  OS: Linux (x86_64-linux-gnu)
  CPU: 4 × AMD EPYC 7763 64-Core Processor
  WORD_SIZE: 64
  LLVM: libLLVM-16.0.6 (ORCJIT, znver3)
Threads: 1 default, 0 interactive, 1 GC (on 4 virtual cores)

Benchmark Results

|                 Model | Dimension |  AD Backend |      VarInfo Type | Linked | Eval Time / Ref Time | AD Time / Eval Time |
|-----------------------|-----------|-------------|-------------------|--------|----------------------|---------------------|
| Simple assume observe |         1 | forwarddiff |             typed |  false |                  9.5 |                 1.6 |
|           Smorgasbord |       201 | forwarddiff |             typed |  false |                723.6 |                33.8 |
|           Smorgasbord |       201 | forwarddiff | simple_namedtuple |   true |                420.9 |                44.7 |
|           Smorgasbord |       201 | forwarddiff |           untyped |   true |               1217.5 |                27.3 |
|           Smorgasbord |       201 | forwarddiff |       simple_dict |   true |               3734.9 |                22.0 |
|           Smorgasbord |       201 | reversediff |             typed |   true |               1435.6 |                30.4 |
|           Smorgasbord |       201 |    mooncake |             typed |   true |                941.7 |                 5.3 |
|    Loop univariate 1k |      1000 |    mooncake |             typed |   true |               5444.6 |                 4.1 |
|       Multivariate 1k |      1000 |    mooncake |             typed |   true |               1048.5 |                 8.5 |
|   Loop univariate 10k |     10000 |    mooncake |             typed |   true |              61198.0 |                 3.9 |
|      Multivariate 10k |     10000 |    mooncake |             typed |   true |               8858.4 |                 9.8 |
|               Dynamic |        10 |    mooncake |             typed |   true |                129.3 |                13.6 |
|              Submodel |         1 |    mooncake |             typed |   true |                 13.7 |                 6.6 |
|                   LDA |        12 | reversediff |             typed |   true |                466.5 |                 6.1 |

[penelopeysm]

Boring patch so just going to merge

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.01%. Comparing base (a134ecc) to head (85949ef).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #914   +/-   ##
=======================================
  Coverage   85.01%   85.01%           
=======================================
  Files          35       35           
  Lines        3924     3924           
=======================================
  Hits         3336     3336           
  Misses        588      588           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[coveralls]

Pull Request Test Coverage Report for Build 14934892786

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-4.3%) to 80.843%

---

Totals
Change from base Build 14888352833:	-4.3%
Covered Lines:	3165
Relevant Lines:	3915

---

💛 - Coveralls