Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  aaf47664ea19b7b46f8c22839693ebfcf559828a

Bump html5 so that jsdom becomes an optional dep.

Merged upstream in,
https://github.com/aredridel/html5/pull/93

Changes to the selser output are most likely due to,
https://github.com/aredridel/html5/pull/88

Change-Id: I5b409022c05c308b09d3b6d10ea45894a40e5edb