Update version and metadata

Update VERSION && Update data with a new screenshot and release

Update data/io.github.lluciocc.Vish.metainfo.xml

Update VERSION

Update io.github.lluciocc.Vish.metainfo.xml

Update io.github.lluciocc.Vish.metainfo.xml

Update serializer.py

Update metainfo for flathub

Fixes #69: Text constant with echo nodes escape the quote

Update screenshot URLs and release date in metainfo