Enable CI on old versions of Julia

[LilithHafner]

No description provided.

[codecov]

Codecov Report

Merging #20 (69fe8a2) into main (a8a25ba) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #20   +/-   ##
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  Coverage   67.33%   67.33%           
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  Files           7        7           
  Lines         799      799           
=======================================
  Hits          538      538           
  Misses        261      261           

[tecosaur]

I think this is for the planned 1.0 support. However, since that requires more than just an @static if VERSION < X include("compat.jl") end, we'll need a 1.0 branch and this change will need to be applied there.

[tecosaur]

See https://github.com/julialang/StyledStrings.jl/tree/julia1-compat for the WIP attempt

[tecosaur]

Can we close this?

[LilithHafner]

If you're willing to accept the additional maintenance burden of having two branches to maintain instead of just one, then yes.

[tecosaur]

There are some pretty major changes required for compatibility with pre-1.11 versions of Julia, so I think it makes more sense to maintain a branch.

I'm thinking that around the Julia 1.11 release, we make a StyledStrings release from that branch (say 1.0), then a release from main (1.11), and after that the branch is left as bugfix-only with future changes just going to main.