feat: Enable HTTP request code origin by default

[alexander-alderman-webb]

Description

See #4902 (comment).

We successfully trialed the option as part of version 2.42.0 of the SDK in Sentry: getsentry/sentry#101502

Issues

Reminders

• Please add tests to validate your changes, and lint your code using tox -e linters.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
23712	1	23711	1713

View the top 1 failed test(s) by shortest run time

tests.integrations.redis.test_redis_cache_module::test_key_as_string[key7-]

Stack Traces | 0.006s run time

.../integrations/redis/test_redis_cache_module.py:318: in test_key_as_string assert _key_as_string(key) == expected_key E AssertionError: assert 'Ǟ\x04$k\x06Hԗ\x01ݒ{/\x1f\x14' == '' E + Ǟ#x04$k#x06Hԗ#x01ݒ{/#x1F#x14

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