ci: use `--all-targets` when running clippy

[codecov[bot]]

Codecov Report

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

Project coverage is 58.34%. Comparing base (2084d9d) to head (415d17d).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #359 +/- ## ========================================== - Coverage 58.58% 58.34% -0.24% ========================================== Files 30 30 Lines 3815 3815 Branches 859 860 +1 ========================================== - Hits 2235 2226 -9 Misses 1257 1257 - Partials 323 332 +9 ```

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