update deployment github action

Author: buehler

.github/workflows/jekyll.yml

@@ -9,7 +9,7 @@ name: Deploy Jekyll site to Pages
 on:
   # Runs on pushes targeting the default branch
   push:
-    branches: ["master"]
+    branches: ['master']
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -23,7 +23,7 @@ permissions:
 # Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
 # However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
 concurrency:
-  group: "pages"
+  group: 'pages'
   cancel-in-progress: false
 
 jobs:
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup node
         uses: actions/setup-node@v3
         with: