pin ForwardDiff=1 in test

[penelopeysm]

compathelper PR ran CI with ForwardDiff 0.10, so just want to check that it's really alright

don't merge this

[github-actions]

Turing.jl documentation for PR #2581 is available at:
https://TuringLang.github.io/Turing.jl/previews/PR2581/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.57%. Comparing base (8be9094) to head (b4c1e21).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2581      +/-   ##
==========================================
+ Coverage   85.50%   85.57%   +0.06%     
==========================================
  Files          22       22              
  Lines        1456     1456              
==========================================
+ Hits         1245     1246       +1     
+ Misses        211      210       -1     

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[penelopeysm]

1.10 test fails because FD=1 requires new Bijectors and new Bijectors requires 1.10.8. we don't need to push Turing to 1.10.8 on main, but we can at least test on CI with it in this pr to check if FD=1 introduces any issue on 1.10.8.

[coveralls]

Pull Request Test Coverage Report for Build 15641269588

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.07%) to 85.636%

---

Totals
Change from base Build 15604552633:	0.07%
Covered Lines:	1246
Relevant Lines:	1455

---

💛 - Coveralls

[penelopeysm]

random OptimizationOptimJL precompile failure reported upstream SciML/Optimization.jl#926

[penelopeysm]

tests passed with FD@1 so we should be fine!