Update upload-artifact and checkout actions

Author: brichet

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Python
         uses: actions/setup-python@v4

.github/workflows/devinstall.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Python
         uses: actions/setup-python@v4
         with:

.github/workflows/lint.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Python
         uses: actions/setup-python@v4

.github/workflows/packaging.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Python
         uses: actions/setup-python@v4
@@ -71,7 +71,7 @@ jobs:
           sha256sum * | tee SHA256SUMS
 
       - name: Upload distributions
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: dist ${{ github.run_number }}
           path: ./dist
@@ -102,7 +102,7 @@ jobs:
           python-version: ${{ matrix.python }}
           architecture: 'x64'
       - name: Checkout # For the cache keys
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Get pip cache dir
         id: pip-cache

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
@@ -30,7 +30,7 @@ jobs:
     name: JavaScript
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
@@ -80,7 +80,7 @@ jobs:
         python-version: ['3.8', '3.9', '3.10', '3.11']
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
@@ -104,7 +104,7 @@ jobs:
     name: Message Specification
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
@@ -131,7 +131,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
@@ -178,15 +178,15 @@ jobs:
 
       - name: Upload Playwright Test assets
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ipywidgets-test-assets
           path: |
             ui-tests/test-results
 
       - name: Upload Playwright Test report
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ipywidgets-test-report
           path: |
@@ -200,7 +200,7 @@ jobs:
 
       - name: Upload updated snapshots
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ipywidgets-updated-snapshots
           path: ui-tests/tests