update yarn.lock

Author: Steven Silvester

yarn.lock

@@ -163,7 +163,7 @@
     "@lumino/signaling" "^1.3.5"
     "@lumino/widgets" "^1.11.1"
 
-"@jupyterlab/apputils@^2.0.0", "@jupyterlab/apputils@~2.0.0":
+"@jupyterlab/apputils@^2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@jupyterlab/apputils/-/apputils-2.0.0.tgz#bef09118a2af3273a3725fca33e58d48520cbcb7"
   integrity sha512-4dehZZ3XADFbHIWTDxeqxURRCPvC+bDzGmrk8qfBy9kHnvB5A4+X87BobJpnNRjZKx8LxyABddFBQewLfDynkg==