Add void return to module and theme install/uninstall hook implementations

Problem/Motivation

See #3483037: [META] Add return types to hook implementations

Steps to reproduce

Proposed resolution

Add void return to the following hook implementations:

• hook_modules_installed
• hook_modules_uninstalled
• hook_themes_installed
• hook_themes_uninstalled
• hook_module_preinstall
• hook_module_preuninstall

Remaining tasks

User interface changes

Introduced terminology

API changes

Data model changes

Release notes snippet