Kazuhiro Sera

This PR was automatically created by Snyk using the credentials of a real user.Snyk has created this PR to fix one or more vulnerable packages in the `rubygems` dependencies of...

This PR was automatically created by Snyk using the credentials of a real user.Snyk has created this PR to fix one or more vulnerable packages in the `rubygems` dependencies of...

This PR was automatically created by Snyk using the credentials of a real user.Snyk has created this PR to fix one or more vulnerable packages in the `rubygems` dependencies of...

This PR was automatically created by Snyk using the credentials of a real user.Snyk has created this PR to fix one or more vulnerable packages in the `rubygems` dependencies of...

This PR was automatically created by Snyk using the credentials of a real user.Snyk has created this PR to fix one or more vulnerable packages in the `rubygems` dependencies of...

This PR was automatically created by Snyk using the credentials of a real user.Snyk has created this PR to fix one or more vulnerable packages in the `rubygems` dependencies of...

This PR was automatically created by Snyk using the credentials of a real user.Snyk has created this PR to fix one or more vulnerable packages in the `rubygems` dependencies of...

Need to consider JRuby support too,

We need web hooks for simple notification or integrating with external services.

### Description I noticed that some images on the website seem to be missing now. I've not figured out what happens to them but emoji images like https://assets-cdn.github.com/images/icons/emoji/unicode/1f44b.png are no...