Updated outdated docs. Installation of istio ambient mode in different platforms

[nullxx]

Description

Reviewers

• [x] Ambient
• [x] Docs
• [x] Installation
• [ ] Networking
• [ ] Performance and Scalability
• [ ] Extensions and Telemetry
• [ ] Security
• [ ] Test and Release
• [ ] User Experience
• [ ] Developer Infrastructure
• [ ] Localization/Translation

[istio-policy-bot]

😊 Welcome! This is either your first contribution to the Istio documentation repo, or it's been a while since you've been here. A few things you should know:

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[linux-foundation-easycla[bot]]

• :x: - login: @nullxx / name: NULLX . The commit (793d73f6f0ecb2c306f9a09ad52cec439fd3dc6a) is not authorized under a signed CLA. Please click here to be authorized. For further assistance with EasyCLA, please submit a support request ticket.

[istio-testing]

Hi @nullxx. Thanks for your PR.

I'm waiting for a istio member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.

[dhawton]

Changes should be made to the master branch and cherrypicked to release-1.23

[istio-testing]

PR needs rebase.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.