Bump tensorflow from 2.5.0 to 2.6.0 (#128)

Bumps [tensorflow](https://github.com/tensorflow/tensorflow) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](tensorflow/tensorflow@v2.5.0...v2.6.0)

---
updated-dependencies:
- dependency-name: tensorflow
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 opencv-python==4.5.3.56 
 Pillow==8.3.1
 pyfakewebcam==0.1.0
-tensorflow==2.5.0
+tensorflow==2.6.0
 tfjs-graph-converter==1.4.2