README still has version 2 in the example code which WILL delete labe…

…ls by default (#17)

The comment in the readme suggests that `delete` defaults to false, but the version 2.0.0 in the `uses:` string still defaults to true.
So copying this example and removing the `delete` option WILL result in potential deletion of labels.

README.md

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/[email protected]
-      - uses: lannonbr/issue-label-manager-action@2.0.0
+      - uses: lannonbr/issue-label-manager-action@3.0.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with: