Bump the actions group with 2 updates

Bumps the actions group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


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

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

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

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

.github/workflows/create_tests_package_lists.yml

@@ -30,7 +30,7 @@ jobs:
         run:
           nox --non-interactive --session create_test_package_list-${{ matrix.python-version }} -- ./new_tests_packages
       - name: Store reports as artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: lists
           path: ./new_tests_packages

.github/workflows/exhaustive_package_test.yml

@@ -27,7 +27,7 @@ jobs:
         continue-on-error: true
         run: nox --non-interactive --session test_all_packages-${{ matrix.python-version }}
       - name: Store reports as artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: reports-raw
           path: reports
@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: Get report artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: reports-raw
       - name: Collate reports
@@ -57,7 +57,7 @@ jobs:
           cat all_packages_deps_errors_* > all_deps_errors_lf.txt
           tr -d '\r' < all_deps_errors_lf.txt > reports/all_deps_errors.txt
       - name: Store collated and raw reports as artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: reports-final
           path: reports

.github/workflows/tests.yml

@@ -77,7 +77,7 @@ jobs:
         run: nox --error-on-missing-interpreters --non-interactive --session zipapp
       - name: Test zipapp by installing black
         run: python ./pipx.pyz install black
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: pipx.pyz
           path: pipx.pyz
@@ -114,7 +114,7 @@ jobs:
     needs: [tests, man, zipapp]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: pipx.pyz
       - name: Upload to release