[dependency]: Bump ablog from 0.10.29 to 0.11.12

Bumps [ablog](https://github.com/sunpy/ablog) from 0.10.29 to 0.11.12.
- [Release notes](https://github.com/sunpy/ablog/releases)
- [Commits](sunpy/ablog@v0.10.29...v0.11.12)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,4 +1,4 @@
-ablog==0.10.29
+ablog==0.11.12
 alabaster==0.7.13
 Babel==2.12.1
 imagesize==1.4.1