Revert "Bump org.apache.avro:avro from 1.11.3 to 1.12.0 (#755)"

This reverts commit 995e671.

Author: misolt

gradle/libs.versions.toml

@@ -53,7 +53,7 @@ thrift = "0.20.0"
 version-catalog-update-plugin = "0.8.5"
 wiremock = "2.27.2"
 asm = "9.7"
-avro = "1.12.0"
+avro = "1.11.3"
 fastutil = "8.5.15"
 h2 = "2.2.224"
 parquet = "1.14.0"