deps: bump to regex-syntax 0.7.3

BurntSushi · BurntSushi · commit 572e8572fa75 · 2023-07-05T07:58:31.000-04:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -180,7 +180,7 @@ features = ["alloc", "syntax", "meta", "nfa-pikevm"]
 # For parsing regular expressions.
 [dependencies.regex-syntax]
 path = "regex-syntax"
-version = "0.7.2"
+version = "0.7.3"
 default-features = false
 
 [dev-dependencies]
