[Snyk] Security upgrade tensorflow/tensorflow from 2.15.0 to 2.18.0rc2

[ashmuck]

Snyk has created this PR to fix 5 vulnerabilities in the dockerfile dependencies of this project.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Snyk changed the following file(s):

• docker/Dockerfile.cpu

We recommend upgrading to tensorflow/tensorflow:2.18.0rc2, as this image has only 41 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	CVE-2023-44487 SNYK-UBUNTU2204-NGHTTP2-5954819	829
	Improper Validation of Integrity Check Value SNYK-UBUNTU2204-LIBSSH-6130572	621
	Unchecked Return Value SNYK-UBUNTU2204-LIBSSH-6133441	514
	Arbitrary Code Injection SNYK-UBUNTU2204-LIBSSH-6134236	514
	Use After Free SNYK-UBUNTU2204-LIBXML2-6241188	514

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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