Bump compat entry for SpecialFunctions to v2 (while keeping the existing v1.3)

[ven-k]

No description provided.

[SebastianM-C]

Tests fail due to JuliaMath/SpecialFunctions.jl#297

[codecov]

Codecov Report

Merging #42 (0f52bb1) into main (528d62c) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #42   +/-   ##
=======================================
  Coverage   64.10%   64.10%           
=======================================
  Files           4        4           
  Lines         156      156           
=======================================
  Hits          100      100           
  Misses         56       56           

Impacted Files	Coverage Δ
src/MathML.jl	100.00% <ø> (ø)
src/maps.jl	32.25% <100.00%> (ø)

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[coveralls]

Pull Request Test Coverage Report for Build 2455197958

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 64.103%

---

Totals
Change from base Build 1534457914:	0.0%
Covered Lines:	100
Relevant Lines:	156

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💛 - Coveralls

[anandijain]

wait why did the factorial definition need to change though?

[ChrisRackauckas]

Because it was type piracy of Base. Factorial is only for integers, gamma is for floats, and it seems like this parses into floats.

[coveralls]

Pull Request Test Coverage Report for Build 2455197958

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

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 64.103%

---

Totals
Change from base Build 1534457914:	0.0%
Covered Lines:	100
Relevant Lines:	156

---

💛 - Coveralls