fix: update slash_command_specs count in test

Added /tools and /info commands increases the spec count from 140 to 142.
Update the test assertion to reflect the new count.

rust/crates/commands/src/lib.rs

@@ -6046,7 +6046,7 @@ mod tests {
         assert!(!help.contains("/login"));
         assert!(!help.contains("/logout"));
         assert!(help.contains("/setup"));
-        assert_eq!(slash_command_specs().len(), 140);
+        assert_eq!(slash_command_specs().len(), 142);
         assert!(resume_supported_slash_commands().len() >= 39);
     }