Bitbucket Cloud - Support App passwords authentication

[okolesn]

Background
User should be able to create pileline with Bitbucket Cloud Repository using App passwords authentication or secure token.

Authentication type should be set up in System Preferences(bitbucket.cloud.auth.type).
Default value - BASIC.

If Authentication type is BASIC:
Repository field should contain user name (like https://[email protected]/workspace/repository.git)
Token field should contain app password
Clone url will be built as: https://user_name:[email protected]/workspace/repository.git

If Authentication type is TOKEN:
Repository field should look like https://bitbucket.org/workspace/repository.git
Token field should contain secure token
Clone url will be built as: https://x-token-auth:[email protected]/workspace/repository.git