[feat] Upgrade pulsar python client to 3.2.0

[michaeljmarshall]

Motivation

We want to keep the pulsar python functions using the latest library.

Modifications

• Upgraded the python client version in the docker image

Verifying this change

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

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

• Dependencies (add or upgrade a dependency)

Documentation

• doc-not-needed

[codecov-commenter]

Codecov Report

Merging #20467 (5fd09ff) into master (d7186a6) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master   #20467      +/-   ##
============================================
- Coverage     72.93%   72.93%   -0.01%     
+ Complexity    31930    31916      -14     
============================================
  Files          1867     1867              
  Lines        138555   138554       -1     
  Branches      15218    15218              
============================================
- Hits         101059   101054       -5     
- Misses        29466    29467       +1     
- Partials       8030     8033       +3     

Flag	Coverage Δ
inttests	24.10% <100.00%> (-0.14%)	⬇️
systests	25.02% <100.00%> (+0.11%)	⬆️
unittests	72.22% <100.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...rg/apache/pulsar/broker/service/BrokerService.java	80.54% <ø> (-0.01%)	⬇️
...sar/broker/service/persistent/PersistentTopic.java	79.66% <100.00%> (+0.26%)	⬆️

... and 81 files with indirect coverage changes

[michaeljmarshall]

superseded by #20475