fix(templates/crate/version): Add title to copy-to-clipboard button
<code id="crate-toml">{{ crate.name }} = "{{ currentVersion.num }}"</code>
{{#if (is-clipboard-supported)}}
- {{#copy-button clipboardTarget="#crate-toml" success=(action 'copySuccess') error=(action 'copyError')}}
+ {{#copy-button clipboardTarget="#crate-toml" success=(action 'copySuccess') error=(action 'copyError') title="Copy to clipboard"}}
{{svg-jar "copy" alt="Copy to clipboard"}}
{{/copy-button}}
{{/if}}
