clang-tidy: ignore warnings new in version 16

These warnings can be fixed in the future.  Ignore them for now.

.clang-tidy

@@ -15,6 +15,7 @@ misc-*,\
 -misc-no-recursion,\
 -misc-non-private-member-variables-in-classes,\
 -misc-static-assert,\
+-misc-use-anonymous-namespace,\
 modernize-*,\
 -modernize-avoid-c-arrays,\
 -modernize-macro-to-enum,\