[stubsabot] Bump google-cloud-ndb to 1.12.* (#9307)

Release: https://pypi.org/pypi/google-cloud-ndb/1.12.0
Homepage: https://github.com/googleapis/python-ndb
Diff: https://github.com/googleapis/python-ndb/compare/v1.11.2...v1.12.0

Stubsabot analysis of the diff between the two releases:
 - 1 public Python file has been added: `.kokoro/noxfile.py`.
 - 0 files included in typeshed's stubs have been deleted.
 - 6 files included in typeshed's stubs have been modified or renamed: `google/cloud/ndb/_datastore_api.py`, `google/cloud/ndb/context.py`, `google/cloud/ndb/django_middleware.py`, `google/cloud/ndb/model.py`, `google/cloud/ndb/msgprop.py`, `google/cloud/ndb/tasklets.py`.
 - Total lines of Python code added: 377.
 - Total lines of Python code deleted: 63.

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- Leave this PR open (as a reminder, and to prevent stubsabot from opening another PR)
- Fix stubtest failures in another PR, then close this PR

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Co-authored-by: stubsabot <>

stubs/google-cloud-ndb/METADATA.toml

@@ -1,2 +1,2 @@
-version = "1.11.*"
+version = "1.12.*"
 requires = []