Get the latest release api produces 404 when tag name has / character

Summary

The Get the latest release api produces a 404 when tag name has / character.

This seems be because tag_name is not URL encoded.

Steps to reproduce

• Create a release with tag name containing / character for example release/1.1.0
• Call the Get the latest release api

Example Project

N/A

What is the current bug behavior?

• Redirect URI is /projects/:id/releases/release/1.1.0
• Redirect produces a 404

What is the expected correct behavior?

• Redirect URI is /projects/:id/releases/release%2F1.1.0
• Redirect gets the release

Relevant logs and/or screenshots

Output of checks

This bug happens on GitLab.com

/label reproduced on GitLab.com

Possible fixes

URL ecnode tag_name.