Fixed invalid api key format raising 500 (#1079)

* Fixed invalid api key format raising 500

* Modified the validate_api_key method to capture validation error and raise a UnauthorizedKey() error

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Gayathri <[email protected]>

backend/api_v2/key_helper.py

@@ -4,6 +4,7 @@
 from api_v2.exceptions import UnauthorizedKey
 from api_v2.models import APIDeployment, APIKey
 from api_v2.serializers import APIKeySerializer
+from django.core.exceptions import ValidationError
 from pipeline_v2.models import Pipeline
 from rest_framework.request import Request
 from workflow_manager.workflow_v2.workflow_helper import WorkflowHelper
@@ -29,7 +30,7 @@ def validate_api_key(
             api_key_instance: APIKey = APIKey.objects.get(api_key=api_key)
             if not KeyHelper.has_access(api_key_instance, instance):
                 raise UnauthorizedKey()
-        except APIKey.DoesNotExist:
+        except (APIKey.DoesNotExist, ValidationError):
             raise UnauthorizedKey()
 
     @staticmethod