Bump docstring-parser from 0.14.1 to 0.15

Bumps [docstring-parser](https://github.com/rr-/docstring_parser) from 0.14.1 to 0.15.
- [Release notes](https://github.com/rr-/docstring_parser/releases)
- [Changelog](https://github.com/rr-/docstring_parser/blob/master/CHANGELOG.md)
- [Commits](rr-/docstring_parser@0.14.1...0.15)

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

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

requirements.txt

@@ -4,7 +4,7 @@ cffi==1.15.1
 charset-normalizer==2.1.1
 commonmark==0.9.1
 cryptography==39.0.0
-docstring-parser==0.14.1
+docstring-parser==0.15
 docutils==0.19
 idna==3.4
 importlib-metadata==6.0.0