feat: Support Scala 3.6.4

[Johnnei]

Obsoletes #943

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.95%. Comparing base (fa90063) to head (78198dc).
Report is 86 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #945      +/-   ##
==========================================
- Coverage   88.08%   83.95%   -4.14%     
==========================================
  Files         142       21     -121     
  Lines        1578      324    -1254     
  Branches      278       31     -247     
==========================================
- Hits         1390      272    -1118     
+ Misses        188       52     -136     

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[saeltz]

Thanks @Johnnei!

Would you have capacity to take a look at #944 as well?

@mccartney, would you release a new version please?

[mccartney]

Triggered the release of 3.1.6

[Johnnei]

Would you have capacity to take a look at #944 as well?

I probably can squeeze a few hours over the weekend. Let's see if I can get something done in that time :)