Update dependency python-dotenv to v0.19.2

Author: renovate-bot

requirements.txt

@@ -12,7 +12,7 @@ jinja2==3.0.1; python_version >= "3.6"
 markupsafe==2.0.1; python_version >= "3.6"
 protobuf==3.17.3; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 python-dateutil==2.8.2; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.6"
-python-dotenv==0.19.0; python_version >= "3.5"
+python-dotenv==0.19.2; python_version >= "3.5"
 requests==2.27.1; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.6.0")
 six==1.16.0; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"
 tenacity==8.0.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"