Bump tensorflow from 2.6.0 to 2.12.1 in /pi_nexus/components

Bumps [tensorflow](https://github.com/tensorflow/tensorflow) from 2.6.0 to 2.12.1.
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](tensorflow/tensorflow@v2.6.0...v2.12.1)

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

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

pi_nexus/components/requirements.txt

@@ -1,5 +1,5 @@
 # requirements.txt
-tensorflow==2.6.0
+tensorflow==2.12.1
 boto3==1.18.32
 requests==2.26.0
 pandas==1.3.5