chore(deps): update dependency flow-coverage-report to ^0.8.0

Author: renovate[bot]

package.json

@@ -56,7 +56,7 @@
     "esdoc-flow-type-plugin": "^1.1.0",
     "esdoc-standard-plugin": "^1.0.0",
     "flow-bin": "^0.92.0",
-    "flow-coverage-report": "^0.6.1",
+    "flow-coverage-report": "^0.8.0",
     "flow-remove-types": "^1.2.3",
     "jest": "^24.0.0",
     "lodash": "^4.17.11",