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/coverage-develop-branch.yml

@@ -34,7 +34,7 @@ jobs:
                   npx c8 report --reporter json-summary --exclude-after-remap false
 
             - name: Upload coverage artifact
-              uses: actions/upload-artifact@v5
+              uses: actions/upload-artifact@v6
               with:
                   name: test-coverage-output
                   path: coverage

.github/workflows/coverage-main-branch.yml

@@ -34,7 +34,7 @@ jobs:
                   npx c8 report --reporter json-summary --exclude-after-remap false
 
             - name: Upload coverage artifact
-              uses: actions/upload-artifact@v5
+              uses: actions/upload-artifact@v6
               with:
                   name: test-coverage-output
                   path: coverage

.github/workflows/coverage.yml

@@ -33,7 +33,7 @@ jobs:
                   git fetch origin ${{ github.event.pull_request.base.ref }} --depth=1000
 
             - name: Upload coverage artifact
-              uses: actions/upload-artifact@v5
+              uses: actions/upload-artifact@v6
               with:
                   name: test-coverage-output
                   path: coverage