refactor: Migrate to sqlalchemy 2.0-style statements

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 98.52941% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 83.95%. Comparing base (2a2dd1b) to head (2108560).

Files	Patch %	Lines
plugins/duckhunt.py	95.23%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #709 +/- ## ========================================== - Coverage 83.96% 83.95% -0.01% ========================================== Files 282 282 Lines 20492 20486 -6 Branches 3143 3143 ========================================== - Hits 17206 17200 -6 Misses 2960 2960 Partials 326 326 ``` | [Flag](https://app.codecov.io/gh/TotallyNotRobots/CloudBot/pull/709/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=TotallyNotRobots) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/TotallyNotRobots/CloudBot/pull/709/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=TotallyNotRobots) | `83.95% <98.52%> (-0.01%)` | :arrow_down: | 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=TotallyNotRobots#carryforward-flags-in-the-pull-request-comment) to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.