[fix][cmake] apple build

[daeho-ro]

Motivation

Build on apple is failed, there is no option -mpclmul for apple target.

clang++: error: unsupported option '-mpclmul' for target 'arm64-apple-darwin25.3.0'

Modifications

Avoid compile option for arm64

Verifying this change

• Make sure that the change passes the CI checks.

(Please pick either of the following options)

This change is a trivial rework / code cleanup without any test coverage.

(or)

This change is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

(example:)

• Added integration tests for end-to-end deployment with large payloads (10MB)
• Extended integration test for recovery after broker failure

Documentation

• doc-required
  (Your PR needs to update docs and you will update later)

• doc-not-needed
  (Please explain why) : interface isn't changed, just build config.

• doc
  (Your PR contains doc changes)

• doc-complete
  (Docs have been already added)

[BewareMyPower]

What's your clang version? I'm using clang++ on arm64 mac as well and it succeeds.

[daeho-ro]

> clang --version
Apple clang version 21.0.0 (clang-2100.0.123.102)
Target: arm64-apple-darwin25.3.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin