chore: increase min stack size in debug builds to solve postman errors

crates/router/build.rs

@@ -2,7 +2,7 @@ fn main() {
     // Set thread stack size to 8 MiB for debug builds
     // Reference: https://doc.rust-lang.org/std/thread/#stack-size
     #[cfg(debug_assertions)]
-    println!("cargo:rustc-env=RUST_MIN_STACK=8388608"); // 8 * 1024 * 1024 = 8 MiB
+    println!("cargo:rustc-env=RUST_MIN_STACK=12582912"); // 12 * 1024 * 1024 = 12 MiB
 
     #[cfg(feature = "vergen")]
     router_env::vergen::generate_cargo_instructions();