dgrijalva/jwt-go is archived, the maintain move to golang-jwt/jwt

[westwind-sc]

There is HIGH vulnerability CVE-2020-26160 NOT fix yet.
And github.com/dgrijalva/jwt-go is not maintained anymore.
It is now maintained at: github.com/golang-jwt/jwt.

Test Result:

$ go test --cover ./...
ok  	github.com/go-ozzo/ozzo-routing/v2	0.009s	coverage: 92.4% of statements
ok  	github.com/go-ozzo/ozzo-routing/v2/access	0.014s	coverage: 100.0% of statements
ok  	github.com/go-ozzo/ozzo-routing/v2/auth	0.018s	coverage: 96.0% of statements
ok  	github.com/go-ozzo/ozzo-routing/v2/content	0.008s	coverage: 97.5% of statements
ok  	github.com/go-ozzo/ozzo-routing/v2/cors	0.002s	coverage: 100.0% of statements
ok  	github.com/go-ozzo/ozzo-routing/v2/fault	0.008s	coverage: 100.0% of statements
ok  	github.com/go-ozzo/ozzo-routing/v2/file	0.002s	coverage: 93.2% of statements
ok  	github.com/go-ozzo/ozzo-routing/v2/slash	0.002s	coverage: 100.0% of statements

[westwind-sc]

@qiangxue could you take some time to review?

[qiangxue]

Thank you very much!