Bump actions/upload-artifact from 6 to 7 (#88)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci-cd.yml

@@ -127,7 +127,7 @@ jobs:
       run: |
         make generate-llhttp
     - name: Upload llhttp generated files
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: llhttp
         path: vendor/llhttp/build
@@ -324,7 +324,7 @@ jobs:
       run: |
         python -m build --sdist
     - name: Upload artifacts
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: dist
         path: dist
@@ -390,7 +390,7 @@ jobs:
       uses: pypa/cibuildwheel@v3.3.1
       env:
         CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-    - uses: actions/upload-artifact@v6
+    - uses: actions/upload-artifact@v7
       with:
         name: dist
         path: ./wheelhouse/*.whl