[Hotfix] Fix apache rat check errors

[zhoujinsong]

Why are the changes needed?

As titled.

Brief change log

• Add copyright header for charts/amoro/templates/amoro-admin-secret.yaml

How was this patch tested?

• Add some test cases that check the changes thoroughly including negative and positive cases if possible

• Add screenshots for manual tests if appropriate

• Run test locally before making a pull request

Documentation

• Does this pull request introduce a new feature? (no)
• If yes, how is the feature documented? (not applicable)

[XBaith]

Thanks!
Can we also rename the Secrets? The database secrets file has the same name as the admin's

[XBaith]

Thanks! Can we also rename the Secrets? The database secrets file has the same name as the admin's

Or rename properties. For example: username to adminUsername, password to adminPassword

[zhoujinsong]

Or rename properties. For example: username to adminUsername, password to adminPassword

I have renamed some secrets and modified configmap as we discussed in #2948

[XBaith]

Thank you, LGTM