fix(jwk): upgrade lestrrat-go/jwx to v2

[ecrupper]

Didn't even realize there was a v2 until renovate popped up with the upgrade. There's a few differences, so this PR addresses all those. No change in functionality.

[codecov]

Codecov Report

Attention: Patch coverage is 20.58824% with 27 lines in your changes missing coverage. Please review.

Project coverage is 51.98%. Comparing base (dc8b3f6) to head (824c9ee).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1138      +/-   ##
==========================================
- Coverage   52.01%   51.98%   -0.03%     
==========================================
  Files         548      548              
  Lines       18779    18791      +12     
==========================================
+ Hits         9767     9768       +1     
- Misses       8457     8465       +8     
- Partials      555      558       +3     

Files	Coverage Δ
database/jwk/create.go	100.00% <ø> (ø)
database/jwk/get.go	100.00% <ø> (ø)
database/testutils/mock_args.go	71.42% <ø> (ø)
database/types/jwk.go	83.33% <ø> (ø)
mock/server/authentication.go	0.00% <ø> (ø)
database/jwk/list.go	75.00% <33.33%> (-10.72%)	⬇️
database/testutils/api_resources.go	95.74% <50.00%> (-2.51%)	⬇️
internal/token/generate_rsa.go	0.00% <0.00%> (ø)