v1.2.120-nightly

What's Changed

Exciting New Features ✨

• feat(observability): replace metrics-rs with prometheus-client by @flaneur2020 in #12787
• feat(sqlsmith): add table function by @TCeason in #12942

Thoughtful Bug Fix 🔧

• fix: fix disallow scalar function with window by @ariesdevil in #12925
• fix: fix array_distinct with nested array by @ariesdevil in #12917
• fix: support aggregation arguments in grouping sets. by @RinChanNOWWW in #12939
• fix: add column panic by @zhyass in #12946

Documentation 📔

• docs(weekly): add this week in databend 111 by @PsiACE in #12931

Others 📒

• chore(query): add license for udf example codes by @sundy-li in #12932

Full Changelog: v1.2.119-nightly...v1.2.120-nightly