chore: update workflow

Author: mob-sakai

.github/workflows/update-changesets.yml

@@ -4,6 +4,7 @@ env:
   WORKFLOW_FILE: update-changesets.yml
 
 on:
+  workflow_dispatch:
   issue_comment:
     types:
       - created
@@ -33,7 +34,7 @@ jobs:
           [ "$RESULT" = "false" ] && echo "::error::Other '${{ env.WORKFLOW_FILE }}' workflows are in progress." && exit 1 || :
 
       - name: 🛠️ Update changesets file
-        run: npx unity-changeset list --all --all-lifecycles > db
+        run: npx unity-changeset@latest list --all --all-lifecycles > db
 
       - name: Commit & Push changes
         uses: actions-js/push@master