ci(release-plz): move breaking changes to section on top of changelog (#393)

Author: Xenira

.release-plz.toml

@@ -32,7 +32,15 @@ body = """
   {% endif -%}
 {% endmacro %}
 ## [{{ version | trim_start_matches(pat="v") }}]{%- if release_link -%}({{ release_link }}){% endif %} - {{ timestamp | date(format="%Y-%m-%d") -}}
-{%- for group, commits in commits | group_by(attribute="group") %}
+{%- set breaking_commits = commits | filter(attribute="breaking", value=true) %}
+{%- if breaking_commits | length > 0 %}
+
+  ### BREAKING CHANGES
+  {% for commit in breaking_commits -%}
+    {{- self::commit_message(commit=commit) -}}
+  {% endfor -%}
+{% endif %}
+{%- for group, commits in commits | filter(attribute="breaking", value=false) | group_by(attribute="group") %}
 
   ### {{ group | upper_first -}}
   {% for commit in commits