deps: bump regex-automata to 0.4.3

Author: BurntSushi

Cargo.toml

@@ -174,7 +174,7 @@ optional = true
 # For the actual regex engines.
 [dependencies.regex-automata]
 path = "regex-automata"
-version = "0.4.2"
+version = "0.4.3"
 default-features = false
 features = ["alloc", "syntax", "meta", "nfa-pikevm"]