update CHANGELOG for v7.2.0 [ci skip]

Author: craigtaub

CHANGELOG.md

@@ -1,3 +1,34 @@
+# 7.2.0 / 2020-05-22
+
+## :tada: Enhancements
+
+- #4234: Add ability to run tests in a mocha instance multiple times (@nicojs)
+- #4219: Exposing filename in JSON, doc, and json-stream reporters (@Daniel0113)
+- #4244: Add Root Hook Plugins (@boneskull)
+
+## :bug: Fixes
+
+- #4258: Fix missing dot in name of configuration file (@sonicdoe)
+- #4194: Check if module.paths really exists (@ematipico)
+- #4256: `--forbid-only` does not recognize `it.only` when `before` crashes (@arvidOtt)
+- #4152: Bug with multiple async done() calls (@boneskull)
+- #4275: Improper warnings for invalid reporters (@boneskull)
+- #4288: Broken hook.spec.js test for IE11 (@boneskull)
+
+## :book: Documentation
+
+- #4081: Insufficient white space for API docs in view on mobile (@HyunSangHan)
+- #4255: Update mocha-docdash for UI fixes on API docs (@craigtaub)
+- #4235: Enable emoji on website; enable normal ul elements (@boneskull)
+- #4272: Fetch sponsors at build time, show ALL non-skeevy sponsors (@boneskull)
+
+## :nut_and_bolt: Other
+
+- #4249: Refactoring improving encapsulation (@arvidOtt)
+- #4242: CI add job names, add Node.js v14 to matrix (@boneskull)
+- #4237: Refactor validatePlugins to throw coded errors (@boneskull)
+- #4236: Better debug output (@boneskull)
+
 # 7.1.2 / 2020-04-26
 
 ## :nut_and_bolt: Other