GitHub Actions / Azure DevOps Images Use Old Az Version, Refuse To Update

GitHub Actions and Azure DevOps runner images [are stuck on Az 9.3.0](https://github.com/actions/runner-images/blob/main/images/windows/Windows2022-Readme.md#powershell-modules). The responsible team refuses to update Az despite numerous requests (like [this one](https://github.com/actions/runner-images/issues/9282)), citing unnamed "maintenance concerns" and "potential customer impact". This ignores the negative customer impact of having to install a newer Az in each job that needs it. One workflow or pipeline can contain many such jobs. The explanation also falls flat when almost every image update includes an updated AWSPowershell module.

Can someone responsible for the Az module please talk to someone responsible for the GHA/AzDO runner images in order to get this policy changed? The runner images could at least cache a newer Az version so that installing it goes faster.