Update dependency net.neoforged:neoforge to v20.2.91 (#348)

Co-authored-by: neoforged-renovate[bot] <174042230+neoforged-renovate[bot]@users.noreply.github.com>

Author: neoforged-renovate[bot]

gradle.properties

@@ -17,7 +17,7 @@ minecraft_version=1.20.2
 # as they do not follow standard versioning conventions.
 minecraft_version_range=[1.20.2,1.21)
 # The Neo version must agree with the Minecraft version to get a valid artifact
-neo_version=20.2.88
+neo_version=20.2.91
 # The Neo version range can use any version of Neo as bounds or match the loader version range
 neo_version_range=[20.2,)
 # The loader version range can only use the major version of Neo/FML as bounds