[license] Upgrade pulsar client to 0.8.1

[shoothzj]

Description

Upgrade pulsar client to 0.8.1, it solves https://github.com/apache/pulsar-client-go/releases/tag/v0.8.1

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation / Created issue in the https://github.com/dapr/docs/ repo: dapr/docs#[issue number]

[shoothzj]

@shubham1172 PTAL

[codecov]

Codecov Report

Merging #1579 (b066593) into master (8226734) will decrease coverage by 0.10%.
The diff coverage is 50.87%.

@@            Coverage Diff             @@
##           master    #1579      +/-   ##
==========================================
- Coverage   35.77%   35.66%   -0.11%     
==========================================
  Files         160      160              
  Lines       14680    14702      +22     
==========================================
- Hits         5252     5244       -8     
- Misses       8860     8880      +20     
- Partials      568      578      +10     

Impacted Files	Coverage Δ
state/mysql/mysql.go	81.60% <50.87%> (-11.39%)	⬇️

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[shubham1172]

Duplicate #1551

Thanks @shoothzj for your help.