[Snyk] Security upgrade admin-lte from v2.4.18 to 3.0.0

[snipe]

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

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • package.json
  • package-lock.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	828/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 8.7	Improper Verification of Cryptographic Signature SNYK-JS-ELLIPTIC-8187303	Yes	Proof of Concept

(*) 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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[what-the-diff]

PR Summary

• Updated Version of 'admin-lte'
  The version of the package 'admin-lte', which is a tool used to create the visual interface of the application, has been updated. This means we'll be using a more recent and improved version (3.0.0 compared to the previously used 2.4.18). This could potentially bring more stability, security, and modern design options, therefore enhancing the user experience.