chore: Update release workflows to target main branch

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: rmi22186

.github/workflows/draft-release-publish.yml

@@ -70,7 +70,7 @@ jobs:
           commit-message: "chore: Prepare release ${{ steps.bump-version.outputs.new_version }}"
           branch: release/${{ steps.bump-version.outputs.new_version }}
           title: "chore: Prepare release ${{ steps.bump-version.outputs.new_version }}"
-          base: development
+          base: main
           body: |
             Preparing for release ${{ steps.bump-version.outputs.new_version }}
             - Updated pubspec.yaml to new version

.github/workflows/release-from-main.yml

@@ -3,7 +3,7 @@ name: Release SDK
 on:
   push:
     branches:
-      - development
+      - main
     paths:
       - VERSION