Bug 1517572 - update debugger frontend (release 116). r=dwalsh

devtools/client/debugger/new/README.mozilla

@@ -1,9 +1,9 @@
 This is the debugger.html project output.
 See https://github.com/devtools-html/debugger.html
 
-Version 115
+Version 116
 
-Comparison: https://github.com/devtools-html/debugger.html/compare/release-114...release-115
+Comparison: https://github.com/devtools-html/debugger.html/compare/release-115...release-116
 
 Packages:
 - babel-plugin-transform-es2015-modules-commonjs @6.26.2