Don't include build script in code coverage

[HadrienG2]

• Build scripts are hard to test in and of themselves.
• It is hard to extract subsets for proper unit testing.
• Practical testing is just a matter of testing several OS configurations anyway, and we already do that.

[semanticdiff-com[bot]]

Review changes with SemanticDiff.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 83.90%. Comparing base (4508ea2) to head (a9f7faa). Report is 3 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #159 +/- ## ========================================== + Coverage 82.94% 83.90% +0.96% ========================================== Files 44 43 -1 Lines 5135 5070 -65 ========================================== - Hits 4259 4254 -5 + Misses 876 816 -60 ``` | [Flag](https://app.codecov.io/gh/HadrienG2/hwlocality/pull/159/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Hadrien+G.) | Coverage Δ | | |---|---|---| | [ubuntu-latest](https://app.codecov.io/gh/HadrienG2/hwlocality/pull/159/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Hadrien+G.) | `78.87% <ø> (+1.07%)` | :arrow_up: | | [windows-latest](https://app.codecov.io/gh/HadrienG2/hwlocality/pull/159/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Hadrien+G.) | `78.11% <ø> (+0.86%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Hadrien+G.#carryforward-flags-in-the-pull-request-comment) to find out more.

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