Blog: remove vulnerability from upcoming release (#6624)

Author: RafaelGSS

pages/en/blog/vulnerability/april-2024-security-releases-2.md

@@ -13,13 +13,12 @@ The Node.js project will release new versions of the 18.x, 20.x, 21.x
 releases lines on or shortly after, Tuesday, April 9, 2024 in order to address:
 
 - 1 high severity issues.
-- 1 medium severity issues.
 
 ## Impact
 
-The 18.x release line of Node.js is vulnerable to 1 high severity issues, 1 medium severity issues.
-The 20.x release line of Node.js is vulnerable to 1 high severity issues, 1 medium severity issues.
-The 21.x release line of Node.js is vulnerable to 1 high severity issues, 1 medium severity issues.
+The 18.x release line of Node.js is vulnerable to 1 high severity issue.
+The 20.x release line of Node.js is vulnerable to 1 high severity issue.
+The 21.x release line of Node.js is vulnerable to 1 high severity issue.
 
 ## Release timing