Bump dropbox from 11.36.2 to 12.0.2

Bumps [dropbox](https://github.com/dropbox/dropbox-sdk-python) from 11.36.2 to 12.0.2.
- [Release notes](https://github.com/dropbox/dropbox-sdk-python/releases)
- [Commits](dropbox/dropbox-sdk-python@v11.36.2...v12.0.2)

---
updated-dependencies:
- dependency-name: dropbox
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

poetry.lock

@@ -19,7 +19,7 @@ PyDrive2 = {version = "^1.19.0", optional = true}
 python-swiftclient = {version = "^4.5.0", optional = true}
 requests-oauthlib = {version = "^2.0.0", optional = true}
 duplicity = {version = "^1.2.3", optional = true}
-dropbox = {version = "^11.36.2", optional = true}
+dropbox = {version = "^12.0.2", optional = true}
 python-keystoneclient = {version = "^5.4.0", optional = true}
 idna = {version = "3.7", optional = true}
 pyyaml = "6.0.1"