[minor] support ZTS JWT

[WindzCUHK]

TODO

• add config for new authorizer interface
• extract token from request
• support both access token and role token (co-exist)
• update go.mod

note

1. must set CA to enable cert bound access token, if ca != "" => t.ClientAuth = tls.RequireAndVerifyClientCert

fixed issues

• fixes Add config for "Bot from GolangCI" to ignore glg error handling #47

[codecov-io]

Codecov Report

Merging #49 into master will increase coverage by 0.26%.
The diff coverage is 92.85%.

@@            Coverage Diff             @@
##           master      #49      +/-   ##
==========================================
+ Coverage   86.24%   86.50%   +0.26%     
==========================================
  Files          14       14              
  Lines         589      630      +41     
==========================================
+ Hits          508      545      +37     
- Misses         71       75       +4     
  Partials       10       10              

Impacted Files	Coverage Δ
config/config.go	100.00% <ø> (ø)
service/authorizerd_mock.go	0.00% <0.00%> (ø)
handler/handler.go	92.85% <100.00%> (+0.26%)	⬆️
handler/transport.go	100.00% <100.00%> (ø)
usecase/authz_proxyd.go	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 6c6a4ee...d6036e6. Read the comment docs.

[kyfujisa]

LGTM