Bump more actions

Author: fcollonval

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Base Setup
       uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
@@ -44,7 +44,7 @@ jobs:
         pip uninstall -y "jupyterlab_kernelspy" jupyterlab
 
     - name: Upload extension packages
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: extension-artifacts
         path: dist/jupyterlab_kernelspy*
@@ -56,11 +56,11 @@ jobs:
 
     steps:
     - name: Install Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.9'
         architecture: 'x64'
-    - uses: actions/download-artifact@v4.1.7
+    - uses: actions/download-artifact@v4
       with:
         name: extension-artifacts
     - name: Install and Test
@@ -83,6 +83,6 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1