Update JwtUtil.java

Author: sungchaewon

src/main/java/com/example/FixLog/util/JwtUtil.java

@@ -14,7 +14,7 @@
 @Component
 public class JwtUtil {
 
-    @Value("${spring.jwt.secret}")
+    @Value("${jwt.secret}")
     private String secretKeyString;
 
     private Key secretKey;