hotfix: Change JWT claim key from 'TOKEN_ROLE_NAME' to 'authority'

Author: willjsw

src/main/java/com/irum/apigateway/filter/JwtAuthenticationFilter.java

@@ -46,7 +46,7 @@ public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
             Claims claims =
                     Jwts.parser().verifyWith(key).build().parseSignedClaims(token).getPayload();
             String memberId = claims.getSubject();
-            String role = claims.get("TOKEN_ROLE_NAME", String.class);
+            String role = claims.get("authority", String.class);
             GrantedAuthority authority = new SimpleGrantedAuthority(role);
             Collection<GrantedAuthority> authorities = Collections.singletonList(authority);