fix(security): address GHSA-p9pc-299p-vxgp (#362)

Update release automation to allow for back ports.

Author: bcoe

.github/workflows/release-please.yml

@@ -0,0 +1,15 @@
+on:
+   push:
+     branches:
+       - v5.x.x
+name: release-please
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: google-github-actions/release-please-action@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          release-type: node
+          package-name: yargs-parser
+          default-branch: v5.x.x