build(deps): bump tensorflow in /Hand-Written-Digit-Recognition

Bumps [tensorflow](https://github.com/tensorflow/tensorflow) from 2.1 to 2.11.1.
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](tensorflow/tensorflow@v2.1.0...v2.11.1)

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

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

Author: dependabot[bot]

Hand-Written-Digit-Recognition/Requirements.txt

@@ -1,3 +1,3 @@
 python==3.6
-tensorflow==2.1
+tensorflow==2.11.1
 tensorflowjs==3.1