Merge pull request #196 from newfold-labs/fix/base_branch-input

Ensure `main` is used on `push`.

Author: arunshenoy99

.github/workflows/i18n-update.yml

@@ -19,6 +19,6 @@ jobs:
   call-i18n-update:
     uses: newfold-labs/workflows/.github/workflows/i18n-update.yml@main
     with:
-      base_branch: ${{ inputs.base_branch }}
+      base_branch: ${{ inputs.base_branch || 'main' }}
     secrets:
       NEWFOLD_ACCESS_TOKEN: ${{ secrets.NEWFOLD_ACCESS_TOKEN }}