add objective limit MOI interface

[codecov[bot]]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (8728a64) 83.26% compared to head (351ab65) 83.31%. Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #177 +/- ## ========================================== + Coverage 83.26% 83.31% +0.05% ========================================== Files 3 3 Lines 1625 1630 +5 ========================================== + Hits 1353 1358 +5 Misses 272 272 ``` | [Files](https://app.codecov.io/gh/jump-dev/HiGHS.jl/pull/177?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev) | Coverage Δ | | |---|---|---| | [src/MOI\_wrapper.jl](https://app.codecov.io/gh/jump-dev/HiGHS.jl/pull/177?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL01PSV93cmFwcGVyLmps) | `94.10% <100.00%> (+0.02%)` | :arrow_up: |

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