feat: implement `-no-raw-keys`

[codecov[bot]]

Codecov Report

Patch coverage: 98.59% and project coverage change: +9.24% :tada:

Comparison is base (d837de4) 81.35% compared to head (c0289d6) 90.59%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2 +/- ## ========================================== + Coverage 81.35% 90.59% +9.24% ========================================== Files 1 1 Lines 59 117 +58 ========================================== + Hits 48 106 +58 Misses 8 8 Partials 3 3 ``` | [Files Changed](https://app.codecov.io/gh/tmzane/sloglint/pull/2?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Tom) | Coverage Δ | | |---|---|---| | [sloglint.go](https://app.codecov.io/gh/tmzane/sloglint/pull/2?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Tom#diff-c2xvZ2xpbnQuZ28=) | `90.59% <98.59%> (+9.24%)` | :arrow_up: |

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