Update telemetry flag for clearer one

[fharper]

What would you like to be added:

Instead of using --use-telemetry, let's change it for --disable-telemetry as suggested by @timoguin in this comment.

Why is this needed:

It will make it more clear for the users.

[6za]

• https://github.com/kubefirst/kubefirst/discussions/1032

[timoguin]

https://github.com/kubefirst/kubefirst/discussions/1032

Just FYI, @6za, if you put issue numbers in the title or body of your commits or PRs, GitHub will automatically associate them.

There are some special keywords like Fixes #NUM that can do things like auto-close issues.

For reference:

https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue