Update fancy_mod_loader_version to v4.0.34 (1.21.1)

[neoforged-renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
net.neoforged.fancymodloader:junit-fml	dependencies	patch	4.0.31 -> 4.0.34
net.neoforged.fancymodloader:earlydisplay	dependencies	patch	4.0.31 -> 4.0.34
net.neoforged.fancymodloader:loader	dependencies	patch	4.0.31 -> 4.0.34

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[neoforged-pr-publishing[bot]]

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[neoforged-releases[bot]]

🚀 This PR has been released as NeoForge version 21.1.81.