v2.9.0

Bug Fix	Api	external tasks fail to run as background tasks
Bug Fix	Logging	value log writes are spaced differently in random blocks
Feature	Api	add invalidate call through for task providers that want TE to do the file system watching and invalidation notifying (works with getGlobPattern)
Refactoring	Logging	add additional logging for task tree and tree files
Refactoring	Api	peform checks on icon paths specified by external task providers
Build System	General	update .vscodeignore