docs: updated the main diagram & updater script

[nyrahul]

Purpose of PR?:
Updates the primary arch diagram:

• Remove SELinux and only show BPFLSM, AppArmor
• external integrations
• take into consideration non-k8s ecosystem (VM, pure-containerized deployments)

Updates to FAQ:

• Updated the FAQ related to updater script. We now have an updater script that can perform RollingUpdate (thanks to @achrefbensaad).
• Added an FAQ for k3s on WSL2

Does this PR introduce a breaking change?
No

If the changes in this PR are manually verified, list down the scenarios covered::
NA

Checklist:

• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• PR Title follows the convention of <type>(<scope>): <subject>
• Commit has unit tests (NA)
• Commit has integration tests (NA)

[achrefbensaad]

LGTM

[DelusionalOptimist]

LGTM

[daemon1024]

We need to update this logic. There's a lot of other bpf related options that can be specified in boot parameters related to bpf. Azure Mariner Linux does mention it and the script assumes that bpflsm is enabled when it's not.