When type checking, uses the latest (V2) version of Pydantic

Signed-off-by: Fabio Batista <fabio@atelie.dev.br>

.pre-commit-config.yaml

@@ -24,4 +24,4 @@ repos:
         types: [ python ]
         args: [ ]
         additional_dependencies:
-          - "pydantic"
+          - "pydantic~=2.7"

cloudevents/pydantic/__init__.py

@@ -12,17 +12,26 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from typing import TYPE_CHECKING
+
 from cloudevents.exceptions import PydanticFeatureNotInstalled
 
 try:
+    if TYPE_CHECKING:
+        from cloudevents.pydantic.v2 import CloudEvent, from_dict, from_http, from_json
+    else:
         from pydantic import VERSION as PYDANTIC_VERSION
 
         pydantic_major_version = PYDANTIC_VERSION.split(".")[0]
         if pydantic_major_version == "1":
-        from cloudevents.pydantic.v1 import CloudEvent, from_dict, from_http, from_json
+            from cloudevents.pydantic.v1 import (
-
+                CloudEvent,
+                from_dict,
+                from_http,
+                from_json,
+            )
         else:
-        from cloudevents.pydantic.v2 import (  # type: ignore
+            from cloudevents.pydantic.v2 import (
                 CloudEvent,
                 from_dict,
                 from_http,