Fix help smoke test

tests/snapshots/general__help__smoke.snap

@@ -19,4 +19,5 @@ Commands:
   help          Print this message or the help of the given subcommand(s)
 
 Options:
-  -h, --help  Print help
+  -h, --help     Print help
+  -V, --version  Print version

tests/snapshots/general__help__smoke.snap.new

@@ -0,0 +1,25 @@
+---
+source: tests/general.rs
+assertion_line: 5
+expression: output
+snapshot_kind: text
+---
+COMMAND:
+--help
+
+STDERR:
+
+STDOUT:
+Visualize/analyze a crate's internal structure.
+
+Usage: cargo-modules <COMMAND>
+
+Commands:
+  structure     Prints a crate's hierarchical structure as a tree.
+  dependencies  Prints a crate's internal dependencies as a graph.
+  orphans       Detects unlinked source files within a crate's directory.
+  help          Print this message or the help of the given subcommand(s)
+
+Options:
+  -h, --help     Print help
+  -V, --version  Print version