fix(lockfile): use correct ffi method for global changes (#5742)

### Description

Sharp eyes @arlyon caught that this we weren't using the correct FFI
function for checking for global lockfile changes.

This would cause a panic if it got hit since the response buffer
wouldn't decode correctly.

### Testing Instructions

Eyes

Co-authored-by: Chris Olszewski <Chris Olszewski>

cli/internal/ffi/ffi.go

@@ -257,7 +257,7 @@ func GlobalChange(packageManager string, prevContents []byte, currContents []byt
 		CurrContents:   currContents,
 	}
 	reqBuf := Marshal(&req)
-	resBuf := C.patches(reqBuf)
+	resBuf := C.global_change(reqBuf)
 	reqBuf.Free()
 
 	resp := ffi_proto.GlobalChangeResponse{}