Update homepage and dependency

.github/workflows/deploy.yml

@@ -8,10 +8,10 @@ jobs:
   deploy_on_gh_pages:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-node@v2.1.3
+    - uses: actions/checkout@v3
+    - uses: actions/setup-node@v4.0.2
       with:
-        node-version: '16'
+        node-version: '20'
     - uses: bahmutov/npm-install@v1
     - run: yarn build
     - run: git remote set-url origin https://git:${GITHUB_TOKEN}@github.com/${{github.repository}}.git

package.json

@@ -1,4 +1,5 @@
 {
+  "homepage": "https://xbgmsharp.github.io/postgsail/",
   "name": "postgsail_landingpage",
   "version": "0.1.0",
   "private": true,