Functionality:

• fix SSRF problem on SAML1 request parameter

Updated third-party libs:

• org.springframework 5.2.8.RELEASE
• org.springframework.data.spring-data-jpa 2.3.3.RELEASE
• org.springframework.data.spring-data-redis 2.3.3.RELEASE
• org.hibernate:hibernate-core 5.4.21.Final
• mysql-connector 8.0.21
• fasterxml:jackson 2.11.2
• commons-lang3 3.11
• commons-text 1.9
• commons-fileupload 1.4
• postgresql 42.2.16
• org.apache.commons-commons-pool2 2.8.1
• redis.clients.jedis 3.3.0