v1.2.9

What's Changed

• Update flink-scala-api-1 to 1.2.8 by @scala-steward in #271
• fix a missing copy of the arity field in direct-memory CaseClassSerializer.copy() by @arnaud-daroussin in #272
• [perf] replace Range.foreach with while loop by @arnaud-daroussin in #273
• Update scalafmt-core to 3.9.9 by @scala-steward in #274
• Update sbt, scripted-plugin to 1.11.4 by @scala-steward in #276
• [refacto] Drop Flink 1.18 support to reunify most of Flink 1 & 2 code by @arnaud-daroussin in #275

P.S. compiled with Java 11 this time. Sorry, for inconsistency with Java version previous time.

Full Changelog: v1.2.8...v1.2.9