[stubsabot] Bump tensorflow to ~=2.19.0

Release: https://pypi.org/pypi/tensorflow/2.19.0
Homepage: https://www.tensorflow.org/
Repository: https://github.com/tensorflow/tensorflow
Typeshed stubs: https://github.com/python/typeshed/tree/main/stubs/tensorflow
Diff: tensorflow/tensorflow@v2.18.1...v2.19.0

Stubsabot analysis of the diff between the two releases:
 - Total lines of Python code added: 28.
 - Total lines of Python code deleted: 24.

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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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Author: stubsabot

Diff for: stubs/tensorflow/METADATA.toml

@@ -1,5 +1,5 @@
 # Using an exact number in the specifier for scripts/sync_protobuf/tensorflow.py
-version = "~=2.18.0"
+version = "~=2.19.0"
 upstream_repository = "https://github.com/tensorflow/tensorflow"
 # requires a version of numpy with a `py.typed` file
 requires = ["numpy>=1.20", "types-protobuf", "types-requests"]