deps(fluent-pseudo): Limit regex crate version to maintain msrv status quo

alerque · alerque · commit d4df0f315994 · 2025-05-19T14:56:46.000+03:00
diff --git a/fluent-pseudo/Cargo.toml b/fluent-pseudo/Cargo.toml
@@ -24,4 +24,4 @@ include = [
 ]
 
 [dependencies]
-regex = "1"
+regex = "1.9"
