update github aciton versions

Author: andrewelamb

.github/workflows/test2.yaml

@@ -51,7 +51,7 @@ jobs:
       PYTHON: ${{ matrix.python }}
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
@@ -83,7 +83,7 @@ jobs:
     if: ${{ github.event_name == 'push' && contains(github.ref, 'refs/tags/') }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with: { python-version: "3.11" }
       - uses: actions/download-artifact@v4
@@ -101,8 +101,8 @@ jobs:
     #if: ${{ github.event_name == 'push' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/download-artifact@v3
+      - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
         with: { name: python-distribution-files, path: dist/ }
       - uses: docker/setup-qemu-action@v2
       - uses: docker/setup-buildx-action@v2