Version report

Jenkins and plugins versions report:

Plugin version - 2.3
Jenkins version - 2.235.1
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• What Operating System are you using (both controller, and any agents involved in the problem)?

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Reproduction steps

• Step 1 - Enable pull request review webhook in github (as mentioned below)
  

• Step 2 - Configure build on pull request review - as shown below
  

Results

Expected result:

it should trigger a build only once when the pr is approved.

Actual result:

its triggering the build twice everytime when the pr is approved.