Update deepdiff requirement from ~=6.5.0 to ~=6.6.0

Updates the requirements on [deepdiff](https://github.com/seperman/deepdiff) to permit the latest version.
- [Release notes](https://github.com/seperman/deepdiff/releases)
- [Changelog](https://github.com/seperman/deepdiff/blob/master/docs/changelog.rst)
- [Commits](https://github.com/seperman/deepdiff/commits/6.6.0)

---
updated-dependencies:
- dependency-name: deepdiff
  dependency-type: direct:production
...

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

requirements.txt

@@ -30,7 +30,7 @@ cryptography~=41.0.0
 cycler==0.12.0
 debugpy~=1.8.0
 decorator~=5.1.1
-deepdiff~=6.5.0
+deepdiff~=6.6.0
 defusedxml==0.7.1
 docutils==0.18.1
 entrypoints==0.4