Updated advisory posts against rubysec/ruby-advisory-db@519298c

Author: postmodern

advisories/_posts/2024-03-21-CVE-2024-27280.md

@@ -30,6 +30,5 @@ advisory:
     You can use `gem update stringio` to update it. If you are using bundler,
     please add `gem "stringio", ">= 3.0.1.2"` to your `Gemfile`.
   patched_versions:
-  - "~> 3.0.1.1"
-  - ">= 3.0.1.2"
+  - ">= 3.0.1.1"
 ---