[WIP] Upgrade to tf2.15. (tensorflow#809)

* [WIP] Upgrade to tf2.15.

* format and wheel test fixes.

* Version bump again for wheel test.

* Back to python3.10

* remove setup.py deps.

* more format fixes.

* yet more format.

* C++ code formats.

* Tutorial fix p1.

* Tutorial fix p2.

* Tutorials p3.

* Add updated install instructions and tutorial install versions.

* final cleanup

* add setup.py

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Co-authored-by: root <[email protected]>

Merge pull request tensorflow#733 from 8bitmp3/patch-1

Documentation: Fix TF Quantum MNIST by adding arg names in Seaborn barplot

bump to 0.6.1 for pypi build mistakes. (tensorflow#663)

constrain xticks in two plt figures (tensorflow#658)

Since we only have data points at x=4, 6, 8, 10, and 12, it is better to get rid of the odd numbered ticks to avoid confusion.

0.5.1 cherry pick branch.

Upgrade all tutorials and install instructions. (tensorflow#569)

Updated install instructions for new TF and Bazel versions (tensorflo…

…w#343)

* Updated install instructions for new TF and Bazel versions

* updated pip instruction too

* updated tutorial installs to tf 2.3.0

* updated pip install docstring

* update to 2.3.1

Co-authored-by: MichaelBroughton <[email protected]>

Updated install instructions for new TF and Bazel versions (tensorflo…

…w#343)

* Updated install instructions for new TF and Bazel versions

* updated pip instruction too

* updated tutorial installs to tf 2.3.0

* updated pip install docstring

* update to 2.3.1

Co-authored-by: MichaelBroughton <[email protected]>

Cherry pick (tensorflow#333) onto v0.3.0.

Prepare for 0.3. (tensorflow#239)

* Prepare for 0.3.

* billy feedback.