Commit Message: Add envoy_dynamic_module_callback_http_send_response to the dynamic modules ABI and rust SDK
Additional Description: This adds the ability to send a local response back. I've also fixed up abi_impl_test.cc. Before, it was not asserting on the correct headers. Now i've moved to parameterized tests so we can assert on the correct headers and also split out the tests into smaller units.
Risk Level: low
Testing: unit tests
Docs Changes:
Release Notes:
Platform Specific Features:

Request variables

Key	Value
ref	c04441c
sha	db1d1d2
pr	37856
base-sha	2425431
actor	@bplotnick
message	dynamic_modules: adds send response...
started	1736313803.56922
target-branch	main
trusted	false

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