massakam opened a new pull request, #19736:
URL: https://github.com/apache/pulsar/pull/19736

   ### Motivation
   
   There was an unfixed security vulnerability 
[CVE-2022-1471](https://www.cve.org/CVERecord?id=CVE-2022-1471) in snakeyaml 
v1.x, and version 2.0 was recently released with this fix.
   
   ### Modifications
   
   Upgraded snakeyaml from 1.32 to 2.0. This is a major version upgrade, and 
according to [the snakeyaml's 
changelog](https://bitbucket.org/snakeyaml/snakeyaml/wiki/Changes), 2.0 
contains some backwards incompatible changes. However, there is no Java code 
that uses snakeyaml directly in this repository, and there is no code to change.
   
   ### Verifying this change
   
   - [ ] Make sure that the change passes the CI checks.
   
   ### Documentation
   
   <!-- DO NOT REMOVE THIS SECTION. CHECK THE PROPER BOX ONLY. -->
   
   - [ ] `doc` <!-- Your PR contains doc changes. -->
   - [ ] `doc-required` <!-- Your PR changes impact docs and you will update 
later -->
   - [ ] `doc-not-needed` <!-- Your PR changes do not impact docs -->
   - [ ] `doc-complete` <!-- Docs have been already added -->


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