Bump regex from 1.9.3 to 1.9.4 (#1164)

Author: dependabot[bot]

Cargo.lock

@@ -22,7 +22,7 @@ rand = "0.8.5"
 parking_lot = "0.12.1"
 sbp-settings = "0.6.16"
 rust-ini = "0.19.0"
-regex = "1.9.3"
+regex = "1.9.4"
 serde_json = "1"
 serde_yaml = "0.9"
 anyhow = { version = "1", features = ["backtrace"] }