chore: fix known issues search string (#774)

Signed-off-by: Fabrice Flore-Thébault <[email protected]>

Author: themr0c

modules/release-notes/single-source-release-notes.jira2asciidoc.yml

@@ -88,7 +88,7 @@ sections:
       AND "Release Note Status" = "Done"
       AND level is EMPTY
       AND "Release Note Type" in ("Known Issue")
-      AND affectedVersion <= "{version_patch}"
+      AND affectedVersion in ("{version_patch}")
       AND (fixVersion > "{version_patch}" OR fixVersion is EMPTY)
       ORDER BY key DESC
     template: with-jira-link