Add jjatria to list of Pre-Release Disclosure signatories

Author: jjatria

docs/pre-release-disclosure.md

@@ -53,7 +53,8 @@ The CPAN Security Group <[cpan-security@security.metacpan.org](cpan-security@sec
 * [atoomic](https://github.com/atoomic)
 * [andk](https://github.com/andk)
 * [sam](https://github.com/thesamesam)
-* [rrwo](https://github.com/robrwo)
+* [rrwo](https://github.com/robrwo)\
+* [jjatria](https://github.com/jjatria)
 
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