Update github actions versions

Author: davegaeddert

.github/workflows/deps.yml

@@ -14,12 +14,12 @@ jobs:
       with:
         app_id: ${{ secrets.DEPS_GITHUB_APP_ID }}
         private_key: ${{ secrets.DEPS_GITHUB_APP_KEY }}
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         token: ${{ steps.generate_token.outputs.token }}
-    - uses: actions/setup-node@v2
+    - uses: actions/setup-node@v4
       with:
-        node-version: '16'
+        node-version: '20'
     - run: curl https://deps.app/install.sh | bash -s -- -b $HOME/bin
     - run: $HOME/bin/deps ci
       env: