style(privacy): the server part's directives and quotes

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>

apps/learn/halkyon_learn_server/test/integration/explore/learner_count_test.dart

@@ -243,7 +243,7 @@ void main() {
         );
       });
 
-      test('a person reports at most an hour\'s worth of times', () async {
+      test("a person reports at most an hour's worth of times", () async {
         final copy = await learner();
         final person = people.last;
         final report = [