bump version

Author: GlodBlock

gradle.properties

@@ -14,7 +14,7 @@ loader_version_range=[1,)
 mod_id=extendedae
 mod_name=ExtendedAE
 mod_license=LGPL-3.0
-mod_version=1.21-2.1.8-neoforge
+mod_version=1.21-2.1.9-neoforge
 mod_group_id=com.glodblock.github.extendedae
 mod_authors=GlodBlock
 mod_description=Add some QoL extended contents for AE2