x/pkgsite: show version when global variables and constants are added

[h9jiang]

What is the URL of the page with the issue?

https://pkg.go.dev/context#pkg-variables

What is your user agent?

N/A

Screenshot

What did you do?

N/A

What did you see happen?

The variable like Canceled, DeadlineExceeded does not have the available version. In comparison, the function defined below AfterFunc() do have available version.

What did you expect to see?

The Variables and Constants should also have this information displayed in the pkg.go.dev.

[gabyhelp]

Related Issues

• x/pkgsite: show the version when a symbol was added to a package #37102 (closed)
• x/pkgsite: standard lib symbol available version does not have same behavior across packages #68265

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