build(deps): bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/packages.yml

@@ -25,7 +25,7 @@ jobs:
           PACKAGE_NAME: ${{ matrix.package_name }}
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: |
             dist/*.tar.gz
@@ -108,7 +108,7 @@ jobs:
             PSYCOPG2_TESTDB_PASSWORD=password
             PSYCOPG2_TEST_FAST=1
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: ./wheelhouse/*.whl
 
@@ -159,6 +159,6 @@ jobs:
             PATH="/usr/local/opt/postgresql@${PG_VERSION}/bin:$PATH"
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: ./wheelhouse/*.whl