cargo: fix spacing

BurntSushi · BurntSushi · commit 4f3a3b1e5c4b · 2023-07-05T07:53:38.000-04:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -169,6 +169,7 @@ optional = true
 [dependencies.memchr]
 version = "2.5.0"
 optional = true
+
 # For the actual regex engines.
 [dependencies.regex-automata]
 path = "regex-automata"
