SUBMARINE-1391. Remove Python3.7 and Tensorflow 2.6-2.10 support

[cdmikechen]

What is this PR for?

Python 3.7 has reached its end of life at the end of June 2023. Meanwhile, we should keep support for the latest 3 versions of tensoflow (2.12-2.14). https://github.com/tensorflow/tensorflow/releases

What type of PR is it?

Improvement

Todos

• [x] - Remove python 3.7 and add python 3.11
• [x] - Remove tf 1.15 and 2.6-2.10

What is the Jira issue?

https://issues.apache.org/jira/browse/SUBMARINE-1391

How should this be tested?

ci test

Screenshots (if appropriate)

Questions:

• Do the license files need updating? No
• Are there breaking changes for older versions? Yes
• Does this need new documentation? No

[codecov[bot]]

Codecov Report

Merging #1116 (0a82f39) into master (dfcc436) will decrease coverage by 4.15%. Report is 1 commits behind head on master. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1116      +/-   ##
==========================================
- Coverage   66.83%   62.68%   -4.15%     
==========================================
  Files         130      130              
  Lines        6320     6320              
==========================================
- Hits         4224     3962     -262     
- Misses       2096     2358     +262     

Flag	Coverage Δ
python-integration	53.97% <ø> (ø)
python-unit	43.71% <ø> (-4.15%)	:arrow_down:

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see 13 files with indirect coverage changes

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