Bump backoff from 2.1.2 to 2.2.1 (#278)

Bumps [backoff](https://github.com/litl/backoff) from 2.1.2 to 2.2.1.
- [Release notes](https://github.com/litl/backoff/releases)
- [Changelog](https://github.com/litl/backoff/blob/master/CHANGELOG.md)
- [Commits](litl/backoff@v2.1.2...v2.2.1)

---
updated-dependencies:
- dependency-name: backoff
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -15,7 +15,7 @@ dockerflow = "2022.8.0"
 Jinja2 = "^3.1.2"
 pydantic-yaml = {extras = ["pyyaml","ruamel"], version = "^0.8.1"}
 sentry-sdk = "^1.9.10"
-backoff = "^2.1.2"
+backoff = "^2.2.1"
 statsd = "^3.3.0"
 requests = "^2.28.1"