[Snyk] Security upgrade com.qcloud:cos_api from 4.7 to 5.1

[Weasley-J]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `maven` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • lejing-admin/pom.xml

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Upgrade	Breaking Change	Exploit Maturity
	661/1000 Why? Recently disclosed, Has a fix available, CVSS 7.5	Allocation of Resources Without Limits or Throttling SNYK-JAVA-ORGJSON-5962464	com.qcloud:cos_api: 4.7 -> 5.1	Yes	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Check the changes in this PR to ensure they won't cause issues with your project.

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🦉 Allocation of Resources Without Limits or Throttling