Update documentation page to 1.1.4

[rgl]

Please update the documentation at https://cloudbase-init.readthedocs.io to include 1.1.4.

[ader1990]

Unfortunately, the tag cannot be modified to include the recently required .readthedocs.yaml file so that readthedocs can be build the tag.

Cloudbase-init version 1.1.5 has been released and the documentation is available at: https://cloudbase-init.readthedocs.io/en/1.1.5/