Use package name as target for module with prefix

The entrypoint is pointing to the package name when using prefix so the target
should also.

Closes #14814
(grafted from f6f8c6aa4316eeb7a73500c9dbc0ccd196aba62d)

--HG--
branch : 8.0

cookiecutter-module/{{ cookiecutter.module_name }}/pyproject.toml

@@ -68,7 +68,7 @@ dev-mode-dirs = ["."]
 
 [tool.hatch.build.targets.wheel.sources]
 {%- if cookiecutter.prefix %}
-"" = "{{ cookiecutter.module_name }}"
+"" = "{{ cookiecutter.package_name }}"
 {%- else %}
 "" = "trytond/modules/{{ cookiecutter.module_name }}"
 {%- endif %}