[macOS] Add .NET 9.0 environment to all images

[erik-bershel]

Description

Add new .NET platform version to the macOS runners.

Related issue:

https://github.com/actions/runner-images/issues/10973

Check list

• [x] Related issue / work item is attached
• [ ] Tests are written (if applicable)
• [ ] Documentation is updated (if applicable)
• [ ] Changes are tested and related VM images are successfully generated

[erik-bershel]

Let's hold our horses with this update for now due to the possible issues with the new version of the platform.

[michal-zatloukal]

@erik-bershel What platform?

[erik-bershel]

.NET 9.0

[michal-zatloukal]

What is the issue with .NET 9? It's already released, what is the reason why it's not on the runners?

[michal-zatloukal]

@erik-bershel what is the issue with .NET 9 on runners?

[erik-bershel]

@michal-zatloukal 👋

I don't have any additional information. This update will be tracked in the linked issue - if we have any new details we will definitely provide them there.