Bump all outdated GitHub Actions

actions/cache to v4, actions/setup-python to v5,
actions.{up,down}load-artifact to v4. This is mostly to silence node16
upgrade warnings.

.github/workflows/lint-and-test.yaml

@@ -20,7 +20,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Set up Python and dependencies
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.11
           cache: pip
@@ -33,7 +33,7 @@ jobs:
           pip install -r requirements-dev.txt
           pip install -e . --no-deps
       - name: Cache pre-commit tools
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ${{ env.MYPY_CACHE_DIR }}
@@ -52,7 +52,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up oldest supported Python on ${{ matrix.os }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.9
     - name: Run tests on oldest supported Python
@@ -65,7 +65,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python and dependencies
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.11
         cache: pip

.github/workflows/release.yaml

@@ -32,10 +32,11 @@ jobs:
         run: |
           python -m build
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: dist
           path: dist
+          if-no-files-found: error
       - name: Publish stable documentation for nnbench
         uses: ./.github/actions/mike-docs
         with:
@@ -49,7 +50,7 @@ jobs:
       id-token: write
     steps:
       - name: Download build artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: dist
           path: dist