Thomas Eizinger 585a84e182
feat(core): deprecate {In,Out}boundUpgradeExt
These functions were only used for some code in the interop-tests which is easily mitigated and perhaps even easier to understand now. We can thus deprecate these functions and their related types and thereby reduce the API surface of `libp2p-core` and the maintenance burden.

This change is motivated by the work around making protocols always strings which requires/required updates to all these upgrades.

Related #3806.
Related #3271.
Related #3745.

Pull-Request: #3807.
2023-04-25 12:26:16 +00:00
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