Add lockfile change workflow.

.github/workflows/ci.yml

@@ -1,5 +1,3 @@
-# Workflow to run CI and tests for all branches on push and on pull requests
-
 name: CI
 
 on:
@@ -14,10 +12,11 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x,18.x]
+        node-version: [18.x, 20.x]
 
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout Repository
+        uses: actions/checkout@v3
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3

.github/workflows/pr.yml

@@ -0,0 +1,23 @@
+name: NPM Lockfile Changes
+
+on: [pull_request]
+
+jobs:
+  lockfile_changes:
+    runs-on: ubuntu-latest
+    # Permission overwrite is required for Dependabot PRs
+    permissions:
+      pull-requests: write
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - name: NPM Lockfile Changes
+        uses: codepunkt/npm-lockfile-changes@main
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          # Optional inputs, can be deleted safely if you are happy with default values.
+          collapsibleThreshold: 25
+          failOnDowngrade: false
+          path: package-lock.json
+          updateComment: true