Pontoon: Update Spanish (es) localization of Thimble
Pontoon: Update Spanish (es) localization of Thimble

Localization authors:
- avelper <avelper@mozilla-hispano.org>

mozilla/thimble.mozilla.org,mozilla/thimble.mozilla.org,mozilla/thimble.mozilla.org,humphd/thimble.mozilla.org,humphd/thimble.mozilla.org,humphd/thimble.mozilla.org,humphd/thimble.mozilla.org,mozilla/thimble.mozilla.org