Releases/v3.4.2

[andrewjl-mux]

Improvements

• Pin MuxCore to specific version consistent across Cocoapods and Swift Package Manager

[github-actions[bot]]

A draft release has been created for this version. Find it here! https://github.com/muxinc/mux-stats-sdk-avplayer/releases/tag/untagged-86189829c07a7306a758