Update collections EnsureCapacity docs

[jkotas]

Port dotnet/runtime#95956 to dotnet-api-docs and apply it to all affected collection types.

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Issue Details

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Port dotnet/runtime#95956 to dotnet-api-docs.

Author:	jkotas
Assignees:	jkotas
Labels:	area-System.Collections
Milestone:	-

[learn-build-service-prod]

Learn Build status updates of commit 85c5df0:

✅ Validation status: passed

File	Status	Preview URL	Details
xml/System.Collections.Generic/HashSet`1.xml	✅Succeeded	View
xml/System.Collections.Generic/List`1.xml	✅Succeeded	View
xml/System.Collections.Generic/Queue`1.xml	✅Succeeded	View
xml/System.Collections.Generic/Stack`1.xml	✅Succeeded	View

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