[meta.reflection.queries] Add missing "operator function template".

tkoeppe · tkoeppe · commit c27dd93b5aee · 2025-07-21T18:50:57.000+01:00
This seems to have been a mistake during application of P2996R13.
diff --git a/source/meta.tex b/source/meta.tex
@@ -4624,6 +4624,7 @@
 class template,
 alias template,
 conversion function template,
+operator function template,
 literal operator template,
 constructor template, or
 concept, respectively.
