"val" in "end val" is highlighted as an identifier, not a keyword

[MaximeKjaer]

See: https://dotty.epfl.ch/docs/reference/other-new-features/indentation.html

[nicolasstucki]

Probably just need to add val here

vscode-scala-syntax/src/typescript/Scala.tmLanguage.ts

Line 587 in c63623d

match: `^\\s*(end)\\s+(?:(new|extension)|(${idUpper}))${endOfLineMaybeWithComment}`,