Update python-multipart requirement

Updates the requirements on [python-multipart](https://github.com/andrew-d/python-multipart) to permit the latest version.
- [Release notes](https://github.com/andrew-d/python-multipart/releases)
- [Changelog](https://github.com/andrew-d/python-multipart/blob/master/CHANGELOG.md)
- [Commits](Kludex/python-multipart@0.0.5...0.0.6)

---
updated-dependencies:
- dependency-name: python-multipart
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -90,7 +90,7 @@ dev = [
 ]
 
 all = [
-    "python-multipart >=0.0.5,<0.0.6",
+    "python-multipart >=0.0.5,<0.0.7",
     "itsdangerous >=1.1.0,<3.0.0",
     "pyyaml >=5.3.1,<7.0.0",
     "ujson >=4.0.1,!=4.0.2,!=4.1.0,!=4.2.0,!=4.3.0,!=5.0.0,!=5.1.0,<6.0.0",