Update 20241107_113401_pierrelalanne_fix_typing_issue_on_severity.md

chore: add GitHub issue to changelog fragment.

Author: agateau-gg

changelog.d/20241107_113401_pierrelalanne_fix_typing_issue_on_severity.md

@@ -31,7 +31,7 @@ Uncomment the section that is right (remove the HTML comment wrapper).
 
 ### Fixed
 
-- Add missing value "info" to Severity model.
+- Add missing value "info" to Severity model (#120).
 
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 ### Security