Fabric Loader 0.20.0

• Update tiny-remapper (modmuss50)
• Bump version (modmuss)
• MixinVersions: Adjust expected loader version to 0.20.0. (#1181) (LlamaLad7)
• Return plain node name in CustomTreeNode.toString to keep clipboard copy clean (#1165) (Umbre11as, modmuss50)
• ASM 9.11 (#1179) (modmuss)
• Fix zip fs being read-write when it should be read-only. (#1168) (Player)
• Add dep overrides note to error gui. (#1169) (modmuss)
• Update Mixin to 0.17.5 (LlamaLad7)