Add multiline logging interceptor sample for Datadog compatibility #953

Job	Run time
build-lint-test (3.10, macos-intel)	16s
build-lint-test (3.10, ubuntu-latest)	9s
build-lint-test (3.10, macos-arm)	12s
build-lint-test (3.13, macos-arm)	13s
build-lint-test (3.13, ubuntu-latest)	12s
build-lint-test (3.13, windows-latest)	16s
build-lint-test (3.10, windows-latest)	16s
build-lint-test (3.13, macos-intel)	14s
	1m 48s

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