Bump sourcery-cli from 1.18.0 to 1.20.0

Bumps [sourcery-cli](https://github.com/sourcery-ai/sourcery) from 1.18.0 to 1.20.0.
- [Release notes](https://github.com/sourcery-ai/sourcery/releases)
- [Commits](sourcery-ai/sourcery@v1.18.0...v1.20.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -50,7 +50,7 @@ rich==13.9.4
 setuptools==76.0.0
 sniffio==1.3.1
 snowballstemmer==2.2.0
-sourcery-cli==1.18.0
+sourcery-cli==1.20.0
 stevedore==5.4.1
 termcolor==2.5.0
 tomlkit==0.13.2