Bump actions/upload-artifact from 4.3.4 to 4.3.6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4.3.4 to 4.3.6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4.3.4...v4.3.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
           filter: tree:0
       - run: ./build --logger GitHubActions
       - if: matrix.job.name == 'ubuntu'
-        uses: actions/[email protected].4
+        uses: actions/[email protected].6
         with:
           name: NuGet packages
           path: ./**/*.nupkg

.github/workflows/infer-sharp.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           binary-path: './SimpleExec'
       - run: cat infer-out/report.txt
-      - uses: actions/[email protected].4
+      - uses: actions/[email protected].6
         with:
           name: InferSharp reports
           path: infer-out/report.*