build(deps): bump actions/upload-artifact from 6 to 7 (#1240)

.github/workflows/mutation-testing.yml

@@ -77,7 +77,7 @@ jobs:
           } >> "$GITHUB_STEP_SUMMARY"
 
       - name: Upload mutation results
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: mutants-${{ matrix.package }}

.github/workflows/slh-dsa.yml

@@ -73,7 +73,7 @@ jobs:
           fi
           cargo nextest archive --archive-file nextest-archive-${{ matrix.rust }}-${{ matrix.test_config }}.tar.zst $PROFILE
       - name: Upload archive to workflow
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: nextest-archive-${{ matrix.rust }}-${{ matrix.test_config }}
           # NOTE: upload-artifact does not respect the working directory, we need to prefix it.