Addresses changes made to security demo config install tool

[DarshitChanpura]

Description

There were recent changes to security demo configuration setup which now requires a custom admin Password to be setup. This PR updates the documentation and related code change.

Check List

• [ ] New functionality includes testing.
  • [ ] All tests pass
• [ ] New functionality has been documented.
  • [ ] New functionality has documentation added
• [x] Commits are signed as per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license. For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[DarshitChanpura]

the CI failures are pre-existing and present on main

[DarshitChanpura]

@dlvenable @asifsmohammed @oeyh Can one of you help get this unblocked and CI to be green?

[derek-ho]

@dlvenable can you merge this?