onnxruntime

[Better Engineering] Bump ruff to 0.0.278 and fix new lint errors (#16789)

Stack from [ghstack](https://github.com/ezyang/ghstack) (oldest at
bottom):
* __->__ #16789

Bump ruff to 0.0.278 and fix new lint errors. I added noqa to all
existing RUF012 errors which requires mutable class variables to be
annotated with `ClassVar`, as well as all PERF issues.

Signed-off-by: Justin Chu <justinchu@microsoft.com>