[towncrier] Add whitespaces between fragment in towncrier (#7431)

Author: Pierre-Sassoulas

doc/whatsnew/fragments/_template.rst

@@ -17,6 +17,7 @@ Release date: {{ versiondata.date }}
 {% if definitions[category]['showcontent'] %}
 {% for text, values in sections[section][category].items() %}
 - {{ text }} ({{ values|join(', ') }})
+
 {% endfor %}
 
 {% else %}

towncrier.toml

@@ -4,6 +4,7 @@ directory = "doc/whatsnew/fragments"
 filename = "doc/whatsnew/2/2.16/index.rst"
 template = "doc/whatsnew/fragments/_template.rst"
 issue_format = "`#{issue} <https://github.com/PyCQA/pylint/issues/{issue}>`_"
+wrap = true
 
 # Definition of fragment types.
 # TODO: with the next towncrier release (21.9.1) it will be possible to define