splash: Use svg icon in splash screen

Author: chrisjbillington

__main__.py

@@ -31,7 +31,7 @@
 check_version('labscript_utils', '2.10.0', '3')
 # Splash screen
 from labscript_utils.splash import Splash
-splash = Splash(os.path.join(os.path.dirname(__file__), 'runmanager.ico'))
+splash = Splash(os.path.join(os.path.dirname(__file__), 'runmanager.svg'))
 splash.show()
 
 splash.update_text('importing standard library modules')