Include ReachSafety-Hardware tasks
Address #4 (closed).
"ReachSafety-Hardware" subcategory was added to the benchmark definitions of the tools participating in both "ReachSafety-Arrays" and "ReachSafety-BitVectors". category-structure.yml
was also updated accordingly.
This MR is blocked by sosy-lab/benchmarking/sv-benchmarks!1380 (merged).
Edited by Po-Chun Chien