Add warning for outdated SessionManagerPlugin version

[rongjina987]

Issue #, if available:
There is the no warning message on terminal for outdated SessionManagerPlugin version, making slow adoption rate of new SessionManagerPlugin release

Description of changes:
Display warning message on terminal when SessionManagerPlugin version is outdated. Define version 1.2.764.0 as the minimum suggested plugin version

Testing:
Warning message on outdated plugin version

Clean terminal on satisfied plugin version

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[jonathan343]

Hey @rongjina987, overall these changes seem fine. Have two pretty minor suggestions.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 44.51%. Comparing base (70d3b38) to head (aa60a34).
⚠️ Report is 155 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #10520       +/-   ##
============================================
- Coverage    93.42%   44.51%   -48.91%     
============================================
  Files          211      301       +90     
  Lines        17312    36721    +19409     
============================================
+ Hits         16174    16347      +173     
- Misses        1138    20374    +19236     

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