fix(actions): re-raise caught exception

[simbuerg]

Fixes #561

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 :warning:

Comparison is base (806520d) 49.54% compared to head (e4bff98) 49.54%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #562 +/- ## ========================================== - Coverage 49.54% 49.54% -0.01% ========================================== Files 120 120 Lines 8283 8284 +1 Branches 1057 1057 ========================================== Hits 4104 4104 - Misses 4006 4007 +1 Partials 173 173 ``` | [Impacted Files](https://codecov.io/gh/PolyJIT/benchbuild/pull/562?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=PolyJIT) | Coverage Δ | | |---|---|---| | [benchbuild/utils/actions.py](https://codecov.io/gh/PolyJIT/benchbuild/pull/562?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=PolyJIT#diff-YmVuY2hidWlsZC91dGlscy9hY3Rpb25zLnB5) | `50.95% <0.00%> (-0.11%)` | :arrow_down: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=PolyJIT). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=PolyJIT)

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