Added upper bound to pydantic dependency (#234)

* Added upper bound to pydantic dependency

* Update pyproject.toml

Co-authored-by: Glenn Matthews <glenn.matthews@networktocode.com>

---------

Co-authored-by: Glenn Matthews <glenn.matthews@networktocode.com>

Author: qduk

pyproject.toml

@@ -24,7 +24,7 @@ include = [
 [tool.poetry.dependencies]
 python = "^3.7"
 click = ">=7.1, <9.0"
-pydantic = {version = ">= 1.8.0, != 1.9.*, >= 1.10.4", extras = ["dotenv"]}
+pydantic = {version = ">= 1.8.0, != 1.9.*, >= 1.10.4, < 2", extras = ["dotenv"]}
 icalendar = "^5.0.0"
 bs4 = "^0.0.1"
 lxml = "^4.6.2"