requirements: community.general: 1.3.6 -> 4.6.1

skimmed through all the release notes, updating should not be a problem

• version 1 : https://github.com/ansible-collections/community.general/blob/stable-1/CHANGELOG.rst
• version 2 : https://github.com/ansible-collections/community.general/blob/stable-2/CHANGELOG.rst
• version 3 : https://github.com/ansible-collections/community.general/blob/stable-3/CHANGELOG.rst
• version 4 : https://github.com/ansible-collections/community.general/blob/stable-4/CHANGELOG.rst