* build(flux): update flux to v0.173.0
* fix(fluxfmt): update tests for newline in Flux fmt
Flux fmt now explicitly adds a newline to the end of a file, updating
tests accordingly.
* chore: remove dead code
* refactor: move FluxLanguageService interface to fluxlang
* chore: run fmt
* refactor: move task.go from top level to task/taskmodel
* chore: run formatter
* chore: fix up import ordering with gci