As an admin, allow ability to increase 255 Char limit on URL field

Problem Definition

Currently due to database constraints, the limit for URL field is 255 Characters

Suggested Solution

Allow ability to increase this setting in JIRA as admin.

Workaround

Look at the following KB article: https://confluence.atlassian.com/jirakb/jira-throws-an-error-when-trying-to-insert-an-url-string-longer-than-255-characters-in-an-url-custom-field-927239519.html