* 1.20.2-rc2, Dependency updates, JDK level correction.
* Clarify what SDKMAN will deploy.
* Improve second-liner for jitpack comment.
* Modrinth does not have 1.20.2-rc2 yet.
* Set viaversion dependency to 4.8.0 in fabric.mod.json.
1.20.2 will not work with ViaVersion 4.6.0 - 4.7.1-SNAPSHOT, therefore this part is needed at some point.
* 1.20.2-rc2 -> 1.20.2.
* We use mclo.gs now, not paste.gg.
* Update ViaVersion, CI and MC dependencies.
* Ensure publish only works on ViaVersion repo.
* Fix Mod Menu versions in 1.14.4 and 1.15.2.
* Update yarn for 1.18.2, 1.19.4 and 1.20.1.