refactor: Implement abstract `serialize_message` for Singer writers #6043

Job	Run time
Test on 3.8 (tests) / ubuntu-latest / SQLAlchemy: 2	36s
Test on 3.9 (tests) / ubuntu-latest / SQLAlchemy: 2	42s
Test on 3.10 (tests) / ubuntu-latest / SQLAlchemy: 2	40s
External Tests	2m 4s
Test on 3.11 (tests) / ubuntu-latest / SQLAlchemy: 2	44s
Test on 3.12 (tests) / ubuntu-latest / SQLAlchemy: 2	42s
Test on 3.8 (tests) / macos-latest / SQLAlchemy: 2	1m 26s
Test on 3.9 (tests) / macos-latest / SQLAlchemy: 2	47s
Test on 3.10 (tests) / macos-latest / SQLAlchemy: 2	36s
Test on 3.11 (tests) / macos-latest / SQLAlchemy: 2	36s
Test on 3.12 (tests) / macos-latest / SQLAlchemy: 2	48s
Test on 3.8 (tests) / windows-latest / SQLAlchemy: 2	1m 49s
Test on 3.9 (tests) / windows-latest / SQLAlchemy: 2	2m 8s
Test on 3.10 (tests) / windows-latest / SQLAlchemy: 2	2m 11s
Test on 3.11 (tests) / windows-latest / SQLAlchemy: 2	1m 49s
Test on 3.12 (tests) / windows-latest / SQLAlchemy: 2	2m 0s
Test on 3.12 (tests) / ubuntu-latest / SQLAlchemy: 1	42s
Test on 3.12 (doctest) / ubuntu-latest / SQLAlchemy: 2	22s
Test on 3.12 (mypy) / ubuntu-latest / SQLAlchemy: 2	41s
Test on 3.12 (deps) / ubuntu-latest / SQLAlchemy: 2	21s
Coverage	32s
	22m 16s

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