runtime/cgo: add support for `any` type

[alexandre-daubois]

Proposal Details

When using any as param or return type of an exported function, we currently have the error unrecognized Go type any. any is an alias of interface{} which is already supported. It would be nice to be able to use any in exported functions, it's actually already "supported" internally anyway.

This would avoid such change: php/frankenphp#1976

[gabyhelp]

Related Issues

• spec: allow 'any' for 'interface{}' in non-constraint contexts #33232 (closed)
• Add 'any' type as shorthand to interface{} for better code readability #43366 (closed)

Related Code Changes

• runtime/cgo: add support for `any` param and return type

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