Update the lockfile in release/bump.sh (#1924)

Otherwise it's easy to forget!

scripts/release/bump.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 # Prepare for a release
-# 
+#
 # All additional options are passed to `rooster`
 set -eu
 
@@ -18,6 +18,9 @@ echo "Updating metadata with rooster..."
 cd "$project_root"
 rooster release "$@"
 
+echo "Updating lockfile..."
+cargo check
+
 echo "Generating contributors list..."
 echo ""
 echo ""