[MCC] Add 2026-06-01 command models for enterprise MCC

[Denali Cornwell (dcwell)]

please provide the link to the corresponding pull request in Azure/azure-cli or Azure/azure-cli-extensions:

Azure/azure-cli-extensions#10290

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Summary

Adds the 2026-06-01 command models for the Microsoft.ConnectedCache enterprise
resources and cache nodes, exported from the workspace editor. These are the models
the linked azure-cli-extensions PR generates from.

Resources

Six enterprise resources, all at 2026-06-01:

Resource	Commands
/enterprisemcccustomers (subscription)	mcc ent resource list
/resourcegroups/{}/.../enterprisemcccustomers	mcc ent resource list
.../enterprisemcccustomers/{}	mcc ent resource create, delete, show, update, wait
.../enterprisemcccachenodes	mcc ent node list
.../enterprisemcccachenodes/{}	mcc ent node create, delete, show, update, wait
.../getcachenodeinstalldetails	mcc ent node get-deployment-details

The two enterprisemcccustomers list URLs are merged into a single
mcc ent resource list, matching the existing 2024-11-30-preview models.

Modifications were inherited from the 2024-11-30-preview models, so command names,
argument options and help text carry forward. Update commands remain
Generic (GET+PUT).

Examples

Command examples were added for all nine registered commands. The mcc extension
previously carried its examples only in the generated Python, so they were lost the
first time the commands were regenerated. Holding them in the command model means
they now survive regeneration.

mcc ent node update has four examples because the 2026-06-01 update rings have
mutually exclusive scheduling rules: Stable takes a customer supplied schedule,
Beta is managed by Microsoft, so one combined example is not possible.

Verification

aaz-dev command-model verify passes, both scoped to mcc and across the whole repo.
Branch is based on the current main.