Bump tensorflow

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] <support@github.com>

cmd/metricscollector/v1beta1/tfevent-metricscollector/requirements.txt

@@ -2,5 +2,5 @@ psutil==5.8.0
 rfc3339>=6.2
 grpcio==1.41.1
 googleapis-common-protos==1.6.0
-tensorflow==2.9.1; platform_machine=="x86_64"
+tensorflow==2.9.3; platform_machine=="x86_64"
 tensorflow-aarch64==2.9.1; platform_machine=="aarch64"