cargo-upgrade doesn't have a --workspace argument (anymore?)

Author: eeeebbbbrrrr

upgrade-deps.sh

@@ -10,7 +10,7 @@
 
 # requires:  "cargo install cargo-edit" from https://github.com/killercup/cargo-edit
 cargo update
-cargo upgrade --workspace
+cargo upgrade
 cargo generate-lockfile
 
 # examples are their own independent crates, so we have to do them individually.