chore: Enable clang-tidy bugprone-return-const-ref-from-parameter check (#6459)

.clang-tidy

@@ -33,6 +33,7 @@ Checks: "-*,
   bugprone-parent-virtual-call,
   bugprone-posix-return,
   bugprone-redundant-branch-condition,
+  bugprone-return-const-ref-from-parameter,
   bugprone-shared-ptr-array-mismatch,
   bugprone-signal-handler,
   bugprone-signed-char-misuse,
@@ -90,7 +91,6 @@ Checks: "-*,
 # bugprone-reserved-identifier,
 # bugprone-move-forwarding-reference,
 # bugprone-unused-local-non-trivial-variable,
-# bugprone-return-const-ref-from-parameter,
 # bugprone-switch-missing-default-case,
 # bugprone-sizeof-expression,
 # bugprone-suspicious-stringview-data-usage,

src/test/beast/aged_associative_container_test.cpp

@@ -227,7 +227,7 @@ public:
         static typename Base::Key const&
         extract(Value const& value)
         {
-            return value;
+            return value;  // NOLINT(bugprone-return-const-ref-from-parameter)
         }
 
         static Values