Fix examples (#33)

[codecov[bot]]

Codecov Report

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

Comparison is base (d69b1d3) 92.60% compared to head (ad64816) 92.60%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #40 +/- ## ======================================= Coverage 92.60% 92.60% ======================================= Files 31 31 Lines 3856 3856 Branches 62 62 ======================================= Hits 3571 3571 Misses 240 240 Partials 45 45 ``` | [Flag](https://app.codecov.io/gh/rath3t/dune-iga/pull/40/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alex_Mueller) | Coverage Δ | | |---|---|---| | [tests](https://app.codecov.io/gh/rath3t/dune-iga/pull/40/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alex_Mueller) | `92.60% <ø> (ø)` | | 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=Alex_Mueller#carryforward-flags-in-the-pull-request-comment) to find out more.

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