Downgrade artifact actions

Newer versions do not allow mutating an existing artfact. This breaks
our build. Although we could work around this, I am inclined to wait
to see if any best practices emerge when using the newer actions with
pypa/cibuildwheel and pypa/gh-action-pypi-publish.

Author: oschwald

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
           CIBW_BUILD_VERBOSITY: 1
           MAXMINDDB_REQUIRE_EXTENSION: 1
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3
         with:
           path: ./wheelhouse/*.whl
 
@@ -44,7 +44,7 @@ jobs:
       - name: Build sdist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3
         with:
           path: dist/*.tar.gz
 
@@ -56,7 +56,7 @@ jobs:
       id-token: write
     if: github.event_name == 'release' && github.event.action == 'published'
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v3
         with:
           name: artifact
           path: dist