[Bitbucket] Fixing work with Bitbucket Server and one new method (#637)
[Bitbucket] Fixing work with Bitbucket Server and one new method (#637)

* fixing cloud checks

* Adding method for deleting PR comment

Co-authored-by: Alexander Gluhov <5b94103ba15253602e4e9bbbbc2c251723f35e11@itiviti.com>
AstroTech/atlassian-python-api,AstroTech/atlassian-python-api,MattAgile/atlassian-python-api