No info on what happens when index out of range

### Type of issue

Typo

### Description

[Enter feedback here]
What happens if I pass an index value that is out of range? Many documentation pages convey such information, but this one does not. Does it throw something? Does it return null? Please don't make me guess.

### Page URL

https://learn.microsoft.com/en-us/dotnet/api/system.runtime.compilerservices.ituple.item?view=net-8.0#system-runtime-compilerservices-ituple-item(system-int32)

### Content source URL

https://github.com/dotnet/dotnet-api-docs/blob/main/xml/System.Runtime.CompilerServices/ITuple.xml

### Document Version Independent Id

aa8d804a-19f2-7b72-b0ea-883cae56ee27

### Article author

@dotnet-bot