Bump tensorflow from 2.9.1 to 2.9.3 in /examples/v1beta1/trial-images/tf-mnist-with-summaries (#2030)

Bumps [tensorflow](https://github.com/tensorflow/tensorflow) from 2.9.1 to 2.9.3.
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](tensorflow/tensorflow@v2.9.1...v2.9.3)

---
updated-dependencies:
- dependency-name: tensorflow
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

examples/v1beta1/trial-images/tf-mnist-with-summaries/requirements.txt

@@ -1,2 +1,2 @@
-tensorflow==2.9.1; platform_machine=="x86_64"
+tensorflow==2.9.3; platform_machine=="x86_64"
 tensorflow-aarch64==2.9.1; platform_machine=="aarch64"