Fix minimal-versions check

Cargo started resolving itertools to 2 versions with `-Z
minimal-versions`, so we now need to specify which version to update.

Author: TheJokr

.github/workflows/ci.yml

@@ -73,7 +73,7 @@ jobs:
           cargo hack --remove-dev-deps --workspace
           # Update Cargo.lock to minimal version dependencies.
           cargo update -Z minimal-versions
-          cargo update -p itertools # 0.10 is broken
+          cargo update -p itertools@0.10 # 0.10 is broken
           cargo hack check --all-features --ignore-private
       - name: Check minimal versions with unstable features
         env:
@@ -84,7 +84,7 @@ jobs:
           cargo hack --remove-dev-deps --workspace
           # Update Cargo.lock to minimal version dependencies.
           cargo update -Z minimal-versions
-          cargo update -p itertools # 0.10 is broken
+          cargo update -p itertools@0.10 # 0.10 is broken
           cargo hack check --all-features --ignore-private
 
   deny: