Failure to encode hashtags in filenames in merge requests

As seen here, Gitlab fails to properly encode hashtags in filenames in merge requests, leading to the inability to review changes in images.

The outputted URL is

https://gitlab.com/badeball/failure-to-url-encode/-/raw/f3a63b3020b8749b6d50a1923b5a84e20c5bc84f/example%20#1.png

.. when it really should be

https://gitlab.com/badeball/failure-to-url-encode/-/raw/f3a63b3020b8749b6d50a1923b5a84e20c5bc84f/example%20%231.png