chore: fix the spacing issue in git-cliff config (#753)

cliff.toml

@@ -40,12 +40,12 @@ body = """
 {% for group, commits in commits | group_by(attribute="group") %}
     #### {{ group | upper_first }}
     {%- for commit in commits %}
-        {% if commit.github.pr_labels is not containing("skip-release-notes") %}
+        {% if commit.github.pr_labels is not containing("skip-release-notes") -%}
             - {{ commit.message | upper_first | trim }}\
                 {% if commit.github.username %} by @{{ commit.github.username }}{%- endif -%}
                 {% if commit.github.pr_number %} in [#{{ commit.github.pr_number }}]\
                     (https://github.com/{{ remote.github.owner }}/{{ remote.github.repo }}/pull/{{ commit.github.pr_number }}){%- endif -%}
-        {% endif %}
+        {%- endif -%}
     {% endfor %}
 {% endfor %}