feat: support for python 3.12

[codecov-commenter]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (702b702) 88.00% compared to head (833482f) 88.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #359 +/- ## ======================================= Coverage 88.00% 88.00% ======================================= Files 33 33 Lines 2976 2976 ======================================= Hits 2619 2619 Misses 357 357 ``` | [Files](https://app.codecov.io/gh/strawberry-graphql/strawberry-graphql-django/pull/359?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=strawberry-graphql) | Coverage Δ | | |---|---|---| | [strawberry\_django/mutations/resolvers.py](https://app.codecov.io/gh/strawberry-graphql/strawberry-graphql-django/pull/359?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=strawberry-graphql#diff-c3RyYXdiZXJyeV9kamFuZ28vbXV0YXRpb25zL3Jlc29sdmVycy5weQ==) | `87.05% <100.00%> (ø)` | | | [strawberry\_django/utils/query.py](https://app.codecov.io/gh/strawberry-graphql/strawberry-graphql-django/pull/359?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=strawberry-graphql#diff-c3RyYXdiZXJyeV9kamFuZ28vdXRpbHMvcXVlcnkucHk=) | `84.61% <100.00%> (ø)` | |

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