Sponsors: Sync README with website

README.md

@@ -243,7 +243,7 @@ The following companies, organizations, and individuals support ESLint's ongoing
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 <h3>Gold Sponsors</h3>
-<p><a href="https://www.gitkraken.com/"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Flogo.clearbit.com%2Fgitkraken.com&height=96" alt="GitKraken" height="96"></a> <a href="https://www.airbnb.com/"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Fopencollective-production.s3-us-west-1.amazonaws.com%2F098e3bd0-4d57-11e8-9324-0f6cc1f92bf1.png&height=96" alt="Airbnb" height="96"></a> <a href="https://code.facebook.com/projects/"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Fres.cloudinary.com%2Fopencollective%2Fimage%2Fupload%2Fv1508519428%2FS9gk78AS_400x400_fulq2l.jpg&height=96" alt="Facebook Open Source" height="96"></a> <a href="https://badoo.com/team?utm_source=eslint"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Fopencollective-production.s3-us-west-1.amazonaws.com%2Fbbdb9cc0-3b5d-11e9-9537-ad85092287b8.png&height=96" alt="Badoo" height="96"></a></p><h3>Silver Sponsors</h3>
+<p><a href="https://www.gitkraken.com/"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Flogo.clearbit.com%2Fgitkraken.com&height=96" alt="GitKraken" height="96"></a> <a href="https://code.facebook.com/projects/"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Fres.cloudinary.com%2Fopencollective%2Fimage%2Fupload%2Fv1508519428%2FS9gk78AS_400x400_fulq2l.jpg&height=96" alt="Facebook Open Source" height="96"></a> <a href="https://badoo.com/team?utm_source=eslint"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Fopencollective-production.s3-us-west-1.amazonaws.com%2Fbbdb9cc0-3b5d-11e9-9537-ad85092287b8.png&height=96" alt="Badoo" height="96"></a></p><h3>Silver Sponsors</h3>
 <p><a href="https://www.ampproject.org/"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Fopencollective-production.s3-us-west-1.amazonaws.com%2F68ed8b70-ebf2-11e6-9958-cb7e79408c56.png&height=96" alt="AMP Project" height="64"></a></p><h3>Bronze Sponsors</h3>
 <p><a href="http://faithlife.com/ref/about"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Flogo.clearbit.com%2Ffaithlife.com&height=96" alt="Faithlife" height="32"></a> <a href="https://jsheroes.io/"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Flogo.clearbit.com%2Fjsheroes.io&height=96" alt="JSHeroes " height="32"></a> <a href="http://www.firesticktricks.com"><img src="https://images.opencollective.com/proxy/images/?src=https%3A%2F%2Flogo.clearbit.com%2Ffiresticktricks.com&height=96" alt="Fire Stick Tricks" height="32"></a></p>
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