Rust: fix compression option description

Author: Paolo Tranquilli

rust/codeql-extractor.yml

@@ -23,8 +23,9 @@ options:
         title: Controls compression for the TRAP files written by the extractor.
         description: >
           This option is only intended for use in debugging the extractor. Accepted
-          values are 'gzip' (the default, to write gzip-compressed TRAP) 'zstd' (to
-          write Zstandard-compressed TRAP) and 'none' (to write uncompressed TRAP).
+          values are 'gzip' (to write gzip-compressed TRAP) 'zstd' (to write
+          Zstandard-compressed TRAP) and 'none' (the default, to write uncompressed
+          TRAP).
         type: string
         pattern: "^(none|gzip|zstd)$"
   cargo_target_dir: