release 0.5

[franziskuskiefer]

Bump versions and silence some more warnings.

We could make the warning stronger that this breaks things. Let me know what you think.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 50.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 32.57%. Comparing base (254ad3a) to head (ef55873).

Files with missing lines	Patch %	Lines
src/lib.rs	60.00%	2 Missing ⚠️
src/kem.rs	0.00%	1 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #105      +/-   ##
==========================================
- Coverage   32.71%   32.57%   -0.15%     
==========================================
  Files          16       16              
  Lines        6357     6360       +3     
==========================================
- Hits         2080     2072       -8     
- Misses       4277     4288      +11     

Files with missing lines	Coverage Δ
traits/src/types.rs	53.36% <ø> (+0.73%)	⬆️
src/kem.rs	31.46% <0.00%> (ø)
src/lib.rs	21.75% <60.00%> (-0.30%)	⬇️

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[jschneider-bensch]

Looks good, I think, just some nits and a suggestion for making the breaking change more apparent on hpke-rs.