chore(deps): Bump africastalking from 1.2.8 to 1.2.9

Bumps [africastalking](https://github.com/AfricasTalkingLtd/africastalking-python) from 1.2.8 to 1.2.9.
- [Release notes](https://github.com/AfricasTalkingLtd/africastalking-python/releases)
- [Commits](https://github.com/AfricasTalkingLtd/africastalking-python/commits)

---
updated-dependencies:
- dependency-name: africastalking
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -1,4 +1,4 @@
-africastalking==1.2.8
+africastalking==1.2.9
 beautifulsoup4==4.12.3
 bitlyshortener==0.6.4
 cachetools==5.5.0