Log Message:
Updated syncthing to 0.14.29.

This is a regularly scheduled stable release.

Resolved issues:

    #3895: The layout of the global changes dialog is improved
    #4123: Running as root or SYSTEM now triggers a warning recommending against it
    #4127: Changing the theme no longer causes an HTTP error
    #4143: The file paths in the failed files dialog are now correct on Windows