Coding Conventions: update .clang-tidy

.clang-tidy

@@ -20,7 +20,9 @@ Checks: >
   -llvm-*,
   -llvmlibc-*,
   misc-*,
+  -misc-non-private-member-variables-in-classes,
   modernize-*,
+  -modernize-use-auto,
   -modernize-use-trailing-return-type,
   -modernize-use-nodiscard,
   -mpi-*,
@@ -29,4 +31,5 @@ Checks: >
   performance-*,
   portability-*,
   readability-*,
+  -readability-function-cognitive-complexity,
   -zircon-*,