misc(workflow): Added workflow_dispatch for schedule.yml (#1813)

.github/workflows/schedule.yml

@@ -3,6 +3,7 @@ name: Changelog & checksums generation
 on:
   schedule:
     - cron: '0 0 * * *'
+  workflow_dispatch:
 
 jobs:
   changelog:

cliff.toml

@@ -64,7 +64,7 @@ body = """
   ## New Contributors ❤️
 {% endif %}\
 {% for contributor in github.contributors | filter(attribute="is_first_time", value=true) %}
-  * [@{{ contributor.username }}](https://github.com/{{ contributor.username }}) made their first contribution
+  * @{{ contributor.username }} made their first contribution
     {%- if contributor.pr_number %} in \
       [#{{ contributor.pr_number }}]({{ self::remote_url() }}/pull/{{ contributor.pr_number }}) \
     {%- endif %}