Bump tensorflow in /Guadalajara/March2021/EmotionsDetector-main

Bumps [tensorflow](https://github.com/tensorflow/tensorflow) from 2.5.0 to 2.7.2.
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](tensorflow/tensorflow@v2.5.0...v2.7.2)

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

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

Author: dependabot[bot]

Guadalajara/March2021/EmotionsDetector-main/requirements.txt

@@ -104,7 +104,7 @@ six==1.15.0
 tensorboard==2.5.0
 tensorboard-data-server==0.6.1
 tensorboard-plugin-wit==1.8.0
-tensorflow==2.5.0
+tensorflow==2.7.2
 tensorflow-estimator==2.5.0
 termcolor==1.1.0
 terminado==0.9.4