Updates to latest vscode engine

Consolidates repo watching into a single watcher
Adds debounce to repo changes in the custom view

No idea why the version check fails, but hopefully this will help

Adds setting to show remote tracking branch in custom view

Reworks current branch retrieval for better performance

Adds Open Repository in Remote command to the Remote custom view items

Provides more information rather than just a commit icon

Adds Open File in Remote command to History custom view item

Adds Open Branches in Remote command to the Branches custom view item
Adds Open Repository in Remote command to the Repository Status custom view item

Changes Stash Changes icon to a +

Updates custom view when repo changes (brute force for now)

Adds Stash Changes command to SCM view items

Updates dependencies

Adds message when there are no stashes
Cleans up the stash explorer

Adds TextExplorerNode for messages