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…bjects before change

3.1.1：Add object deep copy function to facilitate users to save the o…

Bumps httpclient from 4.5.9 to 4.5.13.

---
updated-dependencies:
- dependency-name: org.apache.httpcomponents:httpclient
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [spring-boot-starter-web](https://github.com/spring-projects/spring-boot) from 2.1.6.RELEASE to 2.5.12.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.1.6.RELEASE...v2.5.12)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-web
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [gson](https://github.com/google/gson) from 2.8.5 to 2.8.9.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/master/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.8.5...gson-parent-2.8.9)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [spring-core](https://github.com/spring-projects/spring-framework) from 5.1.9.RELEASE to 5.2.22.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.1.9.RELEASE...v5.2.22.RELEASE)

---
updated-dependencies:
- dependency-name: org.springframework:spring-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

…e.httpcomponents-httpclient-4.5.13

Bump httpclient from 4.5.9 to 4.5.13

…gframework.boot-spring-boot-starter-web-2.5.12

Bump spring-boot-starter-web from 2.1.6.RELEASE to 2.5.12

…gframework-spring-core-5.2.22.RELEASE

Bump spring-core from 5.1.9.RELEASE to 5.2.22.RELEASE

…e.code.gson-gson-2.8.9

Bump gson from 2.8.5 to 2.8.9

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 8.0.16 to 8.0.28.
- [Release notes](https://github.com/mysql/mysql-connector-j/releases)
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/8.0/CHANGES)
- [Commits](mysql/mysql-connector-j@8.0.16...8.0.28)

---
updated-dependencies:
- dependency-name: mysql:mysql-connector-java
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

…ql-connector-java-8.0.28

Bump mysql-connector-java from 8.0.16 to 8.0.28