Update Typelevel Twiddles to 0.6, replacing .as[CaseClass] with .to[CaseClass]

[mpilquist]

No description provided.

[codecov-commenter]

Codecov Report

Merging #863 (5a6443b) into main (454d77e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #863   +/-   ##
=======================================
  Coverage   83.88%   83.88%           
=======================================
  Files         126      126           
  Lines        1756     1756           
  Branches      155      155           
=======================================
  Hits         1473     1473           
  Misses        283      283           

Impacted Files	Coverage Δ
modules/core/shared/src/main/scala/Codec.scala	96.96% <ø> (ø)
modules/core/shared/src/main/scala/Command.scala	83.33% <ø> (ø)
modules/core/shared/src/main/scala/Decoder.scala	92.00% <ø> (ø)
modules/core/shared/src/main/scala/Encoder.scala	93.33% <ø> (ø)
modules/core/shared/src/main/scala/Query.scala	60.00% <ø> (ø)