chore(pre-commit): update to ggshield 1.31.0

[salome-voltz]

Context

Update pre-commit to ggshield 1.31.0

[codecov[bot]]

Codecov Report

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

Project coverage is 91.50%. Comparing base (a522bd2) to head (06f88e8). Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #954 +/- ## ======================================= Coverage 91.50% 91.50% ======================================= Files 178 178 Lines 7333 7333 ======================================= Hits 6710 6710 Misses 623 623 ``` | [Flag](https://app.codecov.io/gh/GitGuardian/ggshield/pull/954/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=GitGuardian) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/GitGuardian/ggshield/pull/954/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=GitGuardian) | `91.50% <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=GitGuardian#carryforward-flags-in-the-pull-request-comment) to find out more.

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