- CasdoorIdTokenVerifier: RSAKey does not exist in any jjwt release;
build RSAPublicKey from JWKS n/e via RSAPublicKeySpec, use 0.12 parser API
- JwtUtils / UserService: parserBuilder/parseClaimsJws -> parser()/parseSignedClaims
- CasdoorClient: WebClient.RequestBodySpec.FormDataSpec removed in Spring 6.2,
use BodyInserters.FormDataSpec