chore(deps): update codecov/codecov-action digest to 8450866 (#11)

Author: nextest-bot

.github/workflows/coverage.yml

@@ -36,7 +36,7 @@ jobs:
           cargo llvm-cov --no-report --doc
           cargo llvm-cov report --doctests --lcov --output-path lcov.info
       - name: Upload coverage data to codecov
-        uses: codecov/codecov-action@7afa10ed9b269c561c2336fd862446844e0cbf71 # v4
+        uses: codecov/codecov-action@84508663e988701840491b86de86b666e8a86bed # v4
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with: