Replace fehler with culpa

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (959084c) 0.00% compared to head (da11e58) 0.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #15 +/- ## ===================================== Coverage 0.00% 0.00% ===================================== Files 5 5 Lines 310 310 ===================================== Misses 310 310 ``` | [Files Changed](https://app.codecov.io/gh/Nullus157/cargo-dl/pull/15?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Nullus157) | Coverage Δ | | |---|---|---| | [src/cache.rs](https://app.codecov.io/gh/Nullus157/cargo-dl/pull/15?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Nullus157#diff-c3JjL2NhY2hlLnJz) | `0.00% <0.00%> (ø)` | | | [src/crate\_name.rs](https://app.codecov.io/gh/Nullus157/cargo-dl/pull/15?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Nullus157#diff-c3JjL2NyYXRlX25hbWUucnM=) | `0.00% <0.00%> (ø)` | | | [src/main.rs](https://app.codecov.io/gh/Nullus157/cargo-dl/pull/15?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Nullus157#diff-c3JjL21haW4ucnM=) | `0.00% <0.00%> (ø)` | | | [src/package\_id\_spec.rs](https://app.codecov.io/gh/Nullus157/cargo-dl/pull/15?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Nullus157#diff-c3JjL3BhY2thZ2VfaWRfc3BlYy5ycw==) | `0.00% <0.00%> (ø)` | | | [src/unpack.rs](https://app.codecov.io/gh/Nullus157/cargo-dl/pull/15?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Nullus157#diff-c3JjL3VucGFjay5ycw==) | `0.00% <0.00%> (ø)` | |

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