clang-tidy: ignore warnings new in version 18

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

.clang-tidy

@@ -5,12 +5,16 @@ bugprone-*,\
 -bugprone-easily-swappable-parameters,\
 -bugprone-empty-catch,\
 -bugprone-implicit-widening-of-multiplication-result,\
+-bugprone-inc-dec-in-conditions,\
 -bugprone-macro-parentheses,\
 -bugprone-misplaced-widening-cast,\
+-bugprone-multi-level-implicit-pointer-conversion,\
 -bugprone-narrowing-conversions,\
 -bugprone-switch-missing-default-case,\
 -bugprone-too-small-loop-variable,\
 -bugprone-unchecked-optional-access,\
+-bugprone-unused-local-non-trivial-variable,\
+-bugprone-unused-return-value,\
 misc-*,\
 -misc-confusable-identifiers,\
 -misc-const-correctness,\
@@ -31,9 +35,12 @@ modernize-*,\
 -modernize-use-transparent-functors,\
 performance-*,\
 -performance-avoid-endl,\
+-performance-enum-size,\
 -performance-inefficient-vector-operation,\
 -performance-noexcept-swap,\
 readability-*,\
+-readability-avoid-nested-conditional-operator,\
+-readability-avoid-return-with-void-value,\
 -readability-avoid-unconditional-preprocessor-if,\
 -readability-convert-member-functions-to-static,\
 -readability-function-cognitive-complexity,\
@@ -45,8 +52,11 @@ readability-*,\
 -readability-magic-numbers,\
 -readability-make-member-function-const,\
 -readability-named-parameter,\
+-readability-redundant-casting,\
 -readability-redundant-declaration,\
+-readability-redundant-inline-specifier,\
 -readability-redundant-member-init,\
+-readability-reference-to-constructed-temporary,\
 -readability-simplify-boolean-expr,\
 -readability-static-accessed-through-instance,\
 -readability-suspicious-call-argument,\