pretty-bytes: Use locale-aware formatting via intl service (#12030)

This fixes the formatting mismatch between the SLoC and crate size values, that were using different rules right next to each other.

Author: Turbo87

app/helpers/pretty-bytes.js

@@ -1,13 +1,19 @@
-import { helper } from '@ember/component/helper';
+import Helper from '@ember/component/helper';
+import { service } from '@ember/service';
 
 import prettyBytes from 'pretty-bytes';
 
 /**
  * See https://github.com/rust-lang/crates.io/discussions/7177
  */
-export default helper(([bytes], options) =>
-  prettyBytes(bytes, {
-    binary: true,
-    ...options,
-  }),
-);
+export default class PrettyBytesHelper extends Helper {
+  @service intl;
+
+  compute([bytes], options) {
+    return prettyBytes(bytes, {
+      binary: true,
+      locale: this.intl.locale ?? true,
+      ...options,
+    });
+  }
+}