[fix] [doc] fix the class name of transaction exception.

[thetumbled]

Motivation

The full qulified path of the exception in transaction module is wrong, need to fix it.

Modifications

Correct the full qulified path of the exception.

Verifying this change

• Make sure that the change passes the CI checks.

(Please pick either of the following options)

This change is a trivial rework / code cleanup without any test coverage.

Does this pull request potentially affect one of the following parts:

If the box was checked, please highlight the changes

• Dependencies (add or upgrade a dependency)
• The public API
• The schema
• The default values of configurations
• The threading model
• The binary protocol
• The REST endpoints
• The admin CLI options
• The metrics
• Anything that affects deployment

Documentation

• doc
• doc-required
• doc-not-needed
• doc-complete

Matching PR in forked repository

PR in forked repository: thetumbled#50

[thetumbled]

PTAL, thanks. @dao-jun @lhotari @Technoboy-

[thetumbled]

/pulsarbot rerun-failure-checks

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.17%. Comparing base (bbc6224) to head (724746c).
⚠️ Report is 1251 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #22687      +/-   ##
============================================
- Coverage     73.57%   73.17%   -0.41%     
+ Complexity    32624     2508   -30116     
============================================
  Files          1877     1888      +11     
  Lines        139502   141233    +1731     
  Branches      15299    15503     +204     
============================================
+ Hits         102638   103344     +706     
- Misses        28908    29905     +997     
- Partials       7956     7984      +28     

Flag	Coverage Δ
inttests	27.32% <ø> (+2.73%)	⬆️
systests	24.72% <ø> (+0.40%)	⬆️
unittests	72.17% <ø> (-0.68%)	⬇️

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see 346 files with indirect coverage changes

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