# Which issue(s) this PR closes
Closes https://github.com/grafana/oncall/issues/4503
Closes https://github.com/grafana/oncall-private/issues/2876
## Checklist
- [ ] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] Added the relevant release notes label (see labels prefixed w/
`release:`). These labels dictate how your PR will
show up in the autogenerated release notes.
# What this PR does
- bumps `uwsgi` to latest version (`2.0.26`), which unblocks us from
bumping Python to 3.12
- bumps Python to 3.12.3
- refactor the Snyk GitHub Actions workflow to use the composable
actions for installed frontend and backend dependencies
- fixes several `AttributeError`s in our tests that went from a warning
to an error in Python 3.12 (see
https://github.com/python/cpython/issues/100690)
# Which issue(s) this PR closes
Closes#4358
Closes https://github.com/grafana/oncall/issues/4387
