Make sure that build scripts use rerun-if-changed in a correct way

For lana, this script is self contained so it should explicitly depend
only on itself. For toplevel, we don't need to check changes in crates
and src if the bypass is in place.

build.rs

@@ -73,9 +73,6 @@ fn check_git_hooks() -> Result<()> {
 }
 
 fn verify_llt_secrets() {
-    println!("cargo:rerun-if-changed=./crates");
-    println!("cargo:rerun-if-changed=./src");
-
     if !env::var("GITLAB_CI")
         .or(env::var("GITHUB_ACTIONS"))
         .is_ok_and(|value| value == "true")
@@ -85,6 +82,9 @@ fn verify_llt_secrets() {
             return;
         }
 
+        println!("cargo:rerun-if-changed=./crates");
+        println!("cargo:rerun-if-changed=./src");
+
         #[allow(clippy::panic)]
         match check_git_secrets().and_then(|_| check_git_hooks()) {
             Ok(_) => {}

crates/telio-lana/build.rs

@@ -1,6 +1,7 @@
 use anyhow::Result;
 #[allow(unwrap_check)]
 fn main() -> Result<()> {
+    println!("cargo:rerun-if-changed=build.rs");
     let target_os = std::env::var("CARGO_CFG_TARGET_OS")?;
     if target_os == "windows" {
         if let Some(path) = std::option_env!("OUT_DIR") {