Update dependency pydantic to v2

Author: renovate[bot]

pyproject.toml

@@ -9,7 +9,7 @@ requires-poetry = ">=2.0.0"
 python = "^3.10"
 ops = "^2.19.4"
 jinja2 = "^3.1.6"
-pydantic = "^1.10.21, <2"
+pydantic = "^2.11.1, <3"
 
 [tool.poetry.group.charm-libs.dependencies]
 # data_platform_libs/v0/data_interfaces.py