Limit Pydantic to < 2.0.0 until we solve 2.0.0 incompatibilities (#32312

)

The Pydantic 2.0.0 release on 30th of June broke a number of CI
tests (including some K8S tests).

We limit it temporarily until the incompatibilities are fixed.

Related: #32311

setup.cfg

@@ -126,7 +126,9 @@ install_requires =
     pendulum>=2.0
     pluggy>=1.0
     psutil>=4.2.0
-    pydantic>=1.10.0
+    # Limit Pydantic to <2.0.0 because it breaks Kubernetes tests and building providers
+    # This limit should be removed after https://github.com/apache/airflow/issues/32311 is fixed
+    pydantic>=1.10.0,<2.0.0
     pygments>=2.0.1
     pyjwt>=2.0.0
     python-daemon>=3.0.0