build(deps): bump actions/upload-artifact from 5 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/test.yaml

@@ -53,7 +53,7 @@ jobs:
         run: hatch run test:test
 
       - name: Upload coverage
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: coverage-unit-py${{ matrix.python-version }}-rs${{ matrix.rust-version }}-${{ matrix.os }}
           path: .coverage.*
@@ -151,13 +151,13 @@ jobs:
 
       - name: Upload logs for debugging
         if: ${{ failure() }}
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ matrix.test-script }}-py${{ matrix.python-version }}-rs${{ matrix.rust-version }}-${{ matrix.os }}
           path: e2e-output
 
       - name: Upload coverage
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: coverage-e2e-${{ matrix.test-script }}-py${{ matrix.python-version }}-rs${{ matrix.rust-version }}-${{ matrix.os }}
           path: .coverage.*
@@ -202,7 +202,7 @@ jobs:
           hatch run test:coverage report --fail-under=60
 
       - name: Upload report
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           path: htmlcov
           name: htmlcov