Bug 1509695 [wpt PR 14224] - Update interfaces/filter-effects.idl, a=testonly

Automatic update from web-platform-tests
Update interfaces/filter-effects.idl (#14224)

Source: https://github.com/tidoust/reffy-reports/blob/72b7f9d/whatwg/idl/filter-effects.idl
Build: https://travis-ci.org/tidoust/reffy-reports/builds/459330148
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wpt-commits: e94ae4b34ee6fa3b7d608a011818f34757193725
wpt-pr: 14224

testing/web-platform/tests/interfaces/filter-effects.idl

@@ -1,7 +1,7 @@
 // GENERATED CONTENT - DO NOT EDIT
 // Content was automatically extracted by Reffy into reffy-reports
 // (https://github.com/tidoust/reffy-reports)
-// Source: Filter Effects Module Level 1 (https://drafts.fxtf.org/filter-effects/)
+// Source: Filter Effects Module Level 1 (https://drafts.fxtf.org/filter-effects-1/)
 
 interface SVGFilterElement : SVGElement {
   readonly attribute SVGAnimatedEnumeration filterUnits;