Setup MiMa for finagle

[armanbilge]

Give it a try with rootFinagle/mimaReportBinaryIssues :)

[codecov-commenter]

Codecov Report

Merging #430 (976e505) into main (e1b9fc2) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #430   +/-   ##
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  Coverage   90.32%   90.32%           
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  Files           7        7           
  Lines         124      124           
  Branches        2        2           
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  Hits          112      112           
  Misses         12       12           

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[bpholt]

This is pretty cool. Looking forward to trying it out for real when they update upstream—hopefully it will be able to tell us whether whatever version is next (I was expecting 22.5.0, but you'd think that would be been released by now) is compatible with 22.4.0.

[bpholt]

I tried setting val versions = Seq("22.7.0", "22.4.0") in FinaglePlugin. Running rootFinagle/mimaReportBinaryIssues reported 89 issues, which indicates that v22.7.0 is not bin-compatible with v22.4.0. (Looking at the "Breaking API Changes " in its release notes, I think that's right!)