deps: update actions/upload-artifact action to v4.6.0

Author: renovate[bot]

Diff for: .github/workflows/unittests.yml

@@ -45,7 +45,7 @@ jobs:
         working-directory: test
 
       - name: Build artifact
-        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4.5.0
+        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
         with:
           name: marblerun
           path: |