Add a password rule for qualtrics.com

[rmondello]

If you type fewer than eight characters, you get an error. If you don't include the right special character, you get:
Password must contain one or more special characters (e.g. ! @ # $ %)

Lower, upper, and digit are all allowed via testing.

Overall Checklist

• I agree to the project's Developer Certificate of Origin
• The top-level JSON objects are sorted alphabetically
• There are no open pull requests for the same update

for password-rules.json

• The given rule isn't particularly standard and obvious for password managers
• Generated passwords have been tested from this rule using the Password Rules Validation Tool
• Information has been included about the website's requirements (eg. screenshots, error messages, steps during experimentation, etc.)
• The PR isn't documenting something that would be a common practice among password managers (e.g. minimal length of 6)

[aabosh]

It looks like this PR also includes the changes from #1145

I think you meant to separate those out?

[rmondello]

It looks like this PR also includes the changes from #1145

I think you meant to separate those out?

Oops! Fixed.