Bump DiffEngine from 20.0.0-beta.34 to 20.1.1

[dependabot]

Updated DiffEngine from 20.0.0-beta.34 to 20.1.1.

Release notes

Sourced from DiffEngine's releases.

20.1.1

• #​855 Viewer respects max instances

20.1.0

• #​854 Add DiffRunner.TrayDisabled

20.0.0

• #​726 Add inline snapshot support
• #​769 Fix P4Merge text argument order
• #​773 Compare snapshots with whitespace significant
• #​775 Stop "Purge verified files" from killing the tray
• #​776 Clear the tracked process after killing it
• #​778 Let the viewer close when Windows is shutting down
• #​790 Do not give up the queue because one accept failed
• #​792 Fall through when the tray has gone
• #​794 Treat an inaccessible tray mutex as no tray
• #​795 Report cancellation as cancellation on .NET Framework
• #​796 Make Definitions agree with the enum about tool order
• #​798 Read a 32-bit process's command line from a 64-bit host
• #​799 Let a derived tool inherit useShellExecute
• #​800 Resolve the same tool synchronously and asynchronously
• #​801 Match extensions case insensitively
• #​802 Do not spend an instance slot on a relaunch
• #​805 Treat a missing ps as no running processes
• #​806 Delete the three-space branch from the ps parser
• #​807 Validate the path, not the parameter name
• #​808 Look for Cursor where its installer puts it
• #​809 Look for Sublime Merge inside its real bundle
• #​810 Quote ExamDiff's pane titles
• #​811 Tidy two pieces of definition data
• #​813 Guard the menu and hotkey delete paths
• #​815 Register the tray's real path at startup
• #​816 Give a remote discard the time an accept gets
• #​818 Do not let a hand edited key name take the tray down
• #​819 Let Options open at any max instances that can be set
• #​820 Replace settings.json rather than rewriting it in place
• #​821 Encode the issue title like the body
• #​822 Tell the menu's own items apart from the tracked ones by identity
• #​823 Re-register the hot keys as one thing or not at all
• #​825 Read Disabled when it is asked for rather than at type initialisation
• #​827 Show the snapshot an F# entry is anchored on
• #​836 Reveal the directory when the file is not there yet
• #​852 Let an explicit MaxInstancesToLaunch beat DiffEngine_MaxInstances

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[dependabot]

Superseded by #454.