Fix deprecated actions/upload-artifact@v3 in GitHub Pages workflow (#286)

* Initial plan

* Fix deprecated GitHub Actions and add dependabot for actions

- Update actions/upload-pages-artifact from v2 to v3
- Update actions/deploy-pages from v2 to v4
- Update actions/checkout from v3 to v4
- Update actions/setup-node from v3 to v4
- Add github-actions to dependabot configuration

Co-authored-by: DanielRosenwasser <972891+DanielRosenwasser@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: DanielRosenwasser <972891+DanielRosenwasser@users.noreply.github.com>

Author: Copilot

.github/dependabot.yml

@@ -10,3 +10,7 @@ updates:
     directory: "/"
     schedule:
       interval: weekly
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: weekly

.github/workflows/ci.js.yml

@@ -30,9 +30,9 @@ jobs:
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
         node-version: ${{ matrix.node-version }}
         cache: "npm"

.github/workflows/github-pages.yml

@@ -13,11 +13,11 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Use Node.js
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@v4
       with:
         node-version: 18.x
         cache: 'npm'
@@ -29,9 +29,9 @@ jobs:
         npm ci
         npm run build
     - name : Upload artifact
-      uses: actions/upload-pages-artifact@v2
+      uses: actions/upload-pages-artifact@v3
       with:
         name: github-pages
         path: site/_site
     - name: Deploy to GitHub Pages from artifacts
-      uses: actions/deploy-pages@v2 
+      uses: actions/deploy-pages@v4