bump mozjs to 137.0-1 (#38561)

This bump downgrades icu_capi to 1.5.0, to match the version vendored in
spidermonkey.

Previous mozjs PRs:
- https://github.com/servo/mozjs/pull/606
- https://github.com/servo/mozjs/pull/605


Testing: Covered by existing tests

---------

Signed-off-by: Jonathan Schwender <schwenderjonathan@gmail.com>

components/script/script_runtime.rs

@@ -13,6 +13,7 @@ use std::ffi::{CStr, CString};
 use std::io::{Write, stdout};
 use std::ops::Deref;
 use std::os::raw::c_void;
+use std::ptr::NonNull;
 use std::rc::Rc;
 use std::sync::Mutex;
 use std::time::{Duration, Instant};
@@ -489,13 +490,12 @@ unsafe extern "C" fn content_security_policy_allows(
 
         allowed = match runtime_code {
             RuntimeCode::JS => {
-                let source = match sample {
-                    sample if !sample.is_null() => &jsstr_to_string(*cx, *sample),
-                    _ => "",
-                };
+                let source = NonNull::new(*sample)
+                    .map(|sample| jsstr_to_string(*cx, sample))
+                    .unwrap_or("".to_string());
                 global
                     .get_csp_list()
-                    .is_js_evaluation_allowed(global, source)
+                    .is_js_evaluation_allowed(global, &source)
             },
             RuntimeCode::WASM => global.get_csp_list().is_wasm_evaluation_allowed(global),
         };

components/script/window_named_properties.rs

@@ -3,6 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use std::ptr;
+use std::ptr::NonNull;
 use std::sync::LazyLock;
 
 use js::conversions::jsstr_to_string;
@@ -115,7 +116,7 @@ unsafe extern "C" fn get_own_property_descriptor(
     }
 
     let s = if id.is_string() {
-        unsafe { jsstr_to_string(*cx, id.to_string()) }
+        unsafe { jsstr_to_string(*cx, NonNull::new(id.to_string()).unwrap()) }
     } else if id.is_int() {
         // If the property key is an integer index, convert it to a String too.
         // For indexed access on the window object, which may shadow this, see