Bump analytics-python from 1.2.9 to 1.4.post1

Bumps [analytics-python](https://github.com/segmentio/analytics-python) from 1.2.9 to 1.4.post1.
- [Release notes](https://github.com/segmentio/analytics-python/releases)
- [Changelog](https://github.com/segmentio/analytics-python/blob/master/HISTORY.md)
- [Commits](https://github.com/segmentio/analytics-python/commits)

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

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

Author: dependabot[bot]

poetry.lock

@@ -47,7 +47,7 @@ django-push-notifications = "3.0.0"
 structlog = "21.5.0"
 structlog-sentry = "1.4.0"
 sentry-sdk = "1.21.0"
-analytics-python = "1.2.9"
+analytics-python = "1.4.post1"
 #
 # channels
 channels = {version = "4.0.0", extras = ["daphne"]}