chore(ci)(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/ci.yml

@@ -70,7 +70,7 @@ jobs:
 
       - name: Upload coverage to artifacts
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: coverage-report
           path: coverage.xml

.github/workflows/codeql.yml

@@ -74,7 +74,7 @@ jobs:
 
       - name: Upload SARIF results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: codeql-results-${{ matrix.language }}
           path: sarif-results

.github/workflows/dependency-review.yml

@@ -70,7 +70,7 @@ jobs:
           uv tool run safety check --file requirements-dev.txt --output text || true
 
       - name: Upload safety results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: safety-scan-results
@@ -122,7 +122,7 @@ jobs:
           fi
 
       - name: Upload license report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: license-report
           path: |
@@ -157,7 +157,7 @@ jobs:
           echo "Current lock file is up to date" >> outdated-report.md
 
       - name: Upload outdated report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: outdated-report
           path: outdated-report.md

.github/workflows/performance.yml

@@ -114,7 +114,7 @@ jobs:
 
       - name: Upload load test results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: load-test-results
           path: |
@@ -183,7 +183,7 @@ jobs:
 
       - name: Upload benchmark results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: benchmark-results
           path: |
@@ -229,7 +229,7 @@ jobs:
 
       - name: Upload memory profiling results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: memory-profiling-results
           path: |
@@ -313,7 +313,7 @@ jobs:
 
       - name: Upload k6 results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: k6-results
           path: k6-results.json

.github/workflows/pr.yml

@@ -97,7 +97,7 @@ jobs:
           uv run pytest tests/ -v --tb=short --cov=src --cov-report=xml --cov-report=term --cov-report=html
 
       - name: Upload coverage report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: coverage-report-${{ matrix.python-version }}
           path: |

.github/workflows/release.yml

@@ -119,7 +119,7 @@ jobs:
           uv build
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: release-artifacts
           path: dist/*
@@ -189,7 +189,7 @@ jobs:
           } >> $GITHUB_OUTPUT
 
       - name: Upload changelog
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: changelog
           path: CHANGELOG.md