Bump checksizes to account for a different gzip version.
Bump checksizes to account for a different gzip version.

The version of gzip on the CI servers was changed, which causes
some differences in the resulting file sizes.

nicolasstucki/scala-js,scala-js/scala-js,sjrd/scala-js,sjrd/scala-js,SebsLittleHelpers/scala-js,gzm0/scala-js,SebsLittleHelpers/scala-js,gzm0/scala-js,scala-js/scala-js,sjrd/scala-js,nicolasstucki/scala-js,scala-js/scala-js