feat: Adds TypeAnnotationCode PG_JSONB (#792)

* feat: Adds auto-generated CL for googleapis for jsonb PiperOrigin-RevId: 470167051 Source-Link: googleapis/googleapis@343f52c Source-Link: googleapis/googleapis-gen@a416799 Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYTQxNjc5OWEzNzI2OTkxMmZhMGNmZGUyNzljZTUwYjdjMzY3MGRiMSJ9 * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

google/cloud/spanner_v1/types/type.py

@@ -60,6 +60,7 @@ class TypeAnnotationCode(proto.Enum):
  """
  TYPE_ANNOTATION_CODE_UNSPECIFIED = 0
  PG_NUMERIC = 2
+ PG_JSONB = 3
 
 
 class Type(proto.Message):