chore(deps): bump actions/upload-artifact from 4 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...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/benchmark.yml

@@ -33,7 +33,7 @@ jobs:
             --output benchmark_001_results.json
 
       - name: Upload benchmark results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: benchmark-001-latency-${{ github.run_id }}
           path: benchmark_001_results.json
@@ -96,7 +96,7 @@ jobs:
             --output benchmark_002_results.json
 
       - name: Upload benchmark results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: benchmark-002-scale-${{ github.run_id }}
           path: benchmark_002_results.json
@@ -152,7 +152,7 @@ jobs:
             -v --tb=short --junit-xml=interop_contract_results.xml
 
       - name: Upload contract test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: interop-contract-results-${{ github.run_id }}
           path: interop_contract_results.xml

.github/workflows/ci.yml

@@ -122,7 +122,7 @@ jobs:
 
       - name: Upload interop test results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: interop-test-results
           path: interop-results.xml
@@ -158,7 +158,7 @@ jobs:
 
       - name: Upload bandit report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: bandit-report
           path: bandit-report.json
@@ -175,7 +175,7 @@ jobs:
 
       - name: Upload pip-audit report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: pip-audit-report
           path: pip-audit-report.json

.github/workflows/docker-multiarch.yml

@@ -71,7 +71,7 @@ jobs:
         env:
           DIGEST: ${{ steps.build.outputs.digest }}
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         with:
           name: digests-${{ matrix.platform == 'linux/amd64' && 'amd64' || 'arm64' }}
           path: /tmp/digests/*

.github/workflows/docs.yml

@@ -49,7 +49,7 @@ jobs:
         run: mkdocs build --strict --site-dir site/
 
       - name: Upload built site (artifact)
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: docs-site
           path: site/

.github/workflows/mutation-test.yml

@@ -45,7 +45,7 @@ jobs:
 
       - name: Upload mutation report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: mutation-report
           path: |

.github/workflows/pypi.yml

@@ -44,7 +44,7 @@ jobs:
         run: twine check dist/*
 
       - name: Upload distributions
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: dist
           path: dist/

.github/workflows/release.yml

@@ -87,7 +87,7 @@ jobs:
             --output-file sbom-${{ github.ref_name }}.cdx.xml
 
       - name: Upload SBOM as artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: sbom
           path: |