fix: upgrade jwt lib due to breaking change (#45)

Author: aaron-steinfeld

grpc-context-utils/build.gradle.kts

@@ -13,8 +13,8 @@ dependencies {
   api(platform("io.grpc:grpc-bom:1.50.0"))
   implementation("io.grpc:grpc-core")
 
-  implementation("com.auth0:java-jwt:3.19.1")
-  implementation("com.auth0:jwks-rsa:0.21.1")
+  implementation("com.auth0:java-jwt:4.4.0")
+  implementation("com.auth0:jwks-rsa:0.22.0")
   implementation("com.google.guava:guava:31.1-jre")
   implementation("org.slf4j:slf4j-api:1.7.36")
 

grpc-context-utils/src/main/java/org/hypertrace/core/grpcutils/context/JwtParser.java

@@ -82,6 +82,7 @@ public Optional<String> getEmail() {
     public Optional<JwtClaim> getClaim(String claimName) {
       return Optional.of(jwt.getClaim(claimName))
           .filter(Predicate.not(Claim::isNull))
+          .filter(Predicate.not(Claim::isMissing))
           .map(DefaultJwtClaim::new);
     }