v1.1.50-nightly

What's Changed

Exciting New Features ✨

• feat(FlightSQL): should not use session ID as token by @jun0315 in #11588
• feat: support more than two predicates for iejoin by @xudong963 in #11584
• feat: add window function first_value and last_value by @gitccl in #11587

Thoughtful Bug Fix 🔧

• fix: fix lag/lead default value when column is nullable by @ariesdevil in #11589
• fix: MergeIntoOperationAggregator should run data block deserialization task on dedicated thread by @dantengsky in #11597

Full Changelog: v1.1.48-nightly...v1.1.50-nightly