Listen to 127.0.0.1 by default on mac osx

[jjyao]

Why are these changes needed?

For mac osx, only accepts connections from 127.0.0.1 by default so we can avoid the security popups.

Related issue number

Closes #18730

Checks

• I've run scripts/format.sh to lint the changes in this PR.
• I've included any doc changes needed for https://docs.ray.io/en/master/.
• I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
• Testing Strategy
  • Unit tests
  • Release tests
  • This PR is not tested :(

[jjyao]

Still need to fix some tests.

[ericl]

Some tests failing.

//python/ray/tests:test_ray_init FAILED in 3 out of 3 in 91.1s
  | Stats over 3 runs: max = 91.1s, min = 90.3s, avg = 90.6s, dev = 0.3s
  | /private/var/tmp/_bazel_ec2-user/77b73149fdea129819071ba882f1e62a/execroot/com_github_ray_project_ray/bazel-out/darwin-opt/testlogs/python/ray/tests/test_ray_init/test.log
  | /private/var/tmp/_bazel_ec2-user/77b73149fdea129819071ba882f1e62a/execroot/com_github_ray_project_ray/bazel-out/darwin-opt/testlogs/python/ray/tests/test_ray_init/test_attempts/attempt_1.log
  | /private/var/tmp/_bazel_ec2-user/77b73149fdea129819071ba882f1e62a/execroot/com_github_ray_project_ray/bazel-out/darwin-opt/testlogs/python/ray/tests/test_ray_init/test_attempts/attempt_2.log
 

[worldveil]

THANK YOU @jjyao !!!

edit: checked the diff