Update external files to match renamed 'user update-auth' command.

README.md

@@ -53,7 +53,7 @@ $UIDC config set base_url "https://externally-visible-url"
 Create yourself a user and add a password (and 2FA if you want, by passing a `-pt` instead of `-p`):
 ```shell
 $UIDC user create <username>
-$UIDC user auth -p <username>
+$UIDC user update-auth -p <username>
 ```
 
 Finally, create an OIDC client:

simple-setup.sh

@@ -12,7 +12,7 @@ $UIDC key generate
 $UIDC client create testclient
 $UIDC user create kestrel
 echo "please enter password for user 'kestrel'"
-$UIDC user auth -p kestrel
+$UIDC user update-auth -p kestrel
 
 $UIDC group create testgroup
 $UIDC role create testrole