fix: use duckdb main branch

Author: rustyconover

.github/workflows/MainDistributionPipeline.yml

@@ -13,6 +13,6 @@ jobs:
     name: Build extension binaries
     uses: duckdb/extension-ci-tools/.github/workflows/_extension_distribution.yml@main
     with:
-      duckdb_version: v1.4-andium
+      duckdb_version: main
       ci_tools_version: main
       extension_name: jsonata