Update build.yml

Author: IsabelParedes

.github/workflows/build.yml

@@ -13,10 +13,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.7", "3.10"]
+        python-version: ["3.12"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1