type(flow): update flowtype badge

public/flow-coverage-badge.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="125" height="20"><linearGradient id="b" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><mask id="a"><rect width="125" height="20" rx="3" fill="#fff"/></mask><g mask="url(#a)"><path fill="#555" d="M0 0h91v20H0z"/><path fill="#4C1" d="M91 0h34v20H91z"/><path fill="url(#b)" d="M0 0h125v20H0z"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,DejaVu Sans,Geneva,sans-serif" font-size="11"><text x="45.5" y="15" fill="#010101" fill-opacity=".3">flow-coverage</text><text x="45.5" y="14">flow-coverage</text><text x="107" y="15" fill="#010101" fill-opacity=".3">88%</text><text x="107" y="14">88%</text></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="125" height="20"><linearGradient id="b" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><mask id="a"><rect width="125" height="20" rx="3" fill="#fff"/></mask><g mask="url(#a)"><path fill="#555" d="M0 0h91v20H0z"/><path fill="#4C1" d="M91 0h34v20H91z"/><path fill="url(#b)" d="M0 0h125v20H0z"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,DejaVu Sans,Geneva,sans-serif" font-size="11"><text x="45.5" y="15" fill="#010101" fill-opacity=".3">flow-coverage</text><text x="45.5" y="14">flow-coverage</text><text x="107" y="15" fill="#010101" fill-opacity=".3">89%</text><text x="107" y="14">89%</text></g></svg>