Update CI tools version to main in workflow

Author: rustyconover

.github/workflows/MainDistributionPipeline.yml

@@ -1,21 +1,18 @@
-#
-# This workflow calls the main distribution pipeline from DuckDB to build, test and (optionally) release the extension
-#
 name: Main Extension Distribution Pipeline
-on:
-  push:
-  pull_request:
-  workflow_dispatch:
-
+true:
+  push: null
+  pull_request: null
+  workflow_dispatch: null
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || '' }}-${{ github.base_ref || '' }}-${{ github.ref != 'refs/heads/main' && github.sha || '' }}
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || '' }}-${{
+    github.base_ref || '' }}-${{ github.ref != 'refs/heads/main' && github.sha ||
+    '' }}
   cancel-in-progress: true
-
 jobs:
   duckdb-stable-build:
     name: Build extension binaries
-    uses: duckdb/extension-ci-tools/.github/workflows/_extension_distribution.yml@v1.4.0
+    uses: duckdb/extension-ci-tools/.github/workflows/_extension_distribution.yml@main
     with:
       duckdb_version: v1.4-andium
-      ci_tools_version: v1.4.0
+      ci_tools_version: main
       extension_name: hashfuncs