feat: 소셜 로그인 추가 회원가입 시 알림 설정 추가 (#238)

src/main/java/com/pawwithu/connectdog/domain/volunteer/entity/Volunteer.java

@@ -61,6 +61,7 @@ public void updateSocialVolunteer(String name, String phone, String nickname, Vo
         this.role = role;
         this.profileImageNum = profileImageNum;
         this.isOptionAgr = isOptionAgr;
+        this.notification = true;
     }
 
     public void updateNameAndPhone(String name, String phone) {