dac-revocation: Some refactoring to revocation set generation script (#33520)

* Some refactoring to dac revocation set generation script

* restyle and linter fixes

* one last lint fix

* address comments

* Restyled by autopep8

* add logger

* Catch the exception when loading the CRL

* CRL entry extension do not have a AKID extension

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Co-authored-by: Restyled.io <commits@restyled.io>

Author: shubhamdp