Add pallet_contracts to benchmarks

[HenriqueNogara]

Add pallet_contracts to polymesh runtime

changelog

[codecov[bot]]

Codecov Report

Merging #1516 (97888a9) into develop (e6c6860) will increase coverage by 0.98%. The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #1516      +/-   ##
===========================================
+ Coverage    57.46%   58.45%   +0.98%     
===========================================
  Files          141      142       +1     
  Lines        30519    31399     +880     
===========================================
+ Hits         17539    18353     +814     
- Misses       12980    13046      +66     

Files Changed	Coverage Δ
pallets/runtime/common/src/runtime.rs	1.81% <ø> (ø)
pallets/runtime/develop/src/runtime.rs	3.65% <ø> (ø)
pallets/weights/src/lib.rs	57.40% <ø> (ø)
pallets/weights/src/pallet_contracts.rs	91.81% <ø> (ø)

... and 3 files with indirect coverage changes