Merge pull request #476 from NHSDigital/dependabot/pip/python-dotenv-1.2.1

Bump python-dotenv from 1.1.1 to 1.2.1

Author: eddalmond1

poetry.lock

@@ -60,7 +60,7 @@ moto = "^5.1.13"
 requests = "^2.32.5"
 jsonschema = "^4.25.1"
 behave = "^1.3.3"
-python-dotenv = "^1.1.1"
+python-dotenv = "^1.2.1"
 openapi-spec-validator = "^0.7.2"
 pip-licenses = "^5.0.0"