Use u8 Union type IDs #33432

Job	Run time
Rust (lint, no default)	2m 34s
Python (lint)	1m 12s
License Check and Audit Check (bans licenses sources)	46s
C/C++ (lint)	10s
WASM integration smoke test	2m 27s
lint-toml	9s
Rust build (default features)	8m 18s
Rust (btrblocks golden corpus)	59s
License Check and Audit Check (advisories)	59s
C API test build	57s
Rust build (with tokio dispatcher)	2m 33s
Check build with minimal dependencies	2m 4s
Python (test)	2m 50s
C++ API	2m 2s
Python CUDA (test)	4m 37s
Check generated source files are up to date	40s
Rust build (all-features)	4m 14s
validate-workflow-yaml	10s
Rust build (wasm32 with default features)	8m 37s
Java	2m 30s
measurement_id golden vectors	12s
Mirror DuckDB to R2 / Resolve DuckDB version and check R2	8s
Mirror DuckDB to R2 / Mirror DuckDB ${{ matrix.archive }} to R2	0s
DuckDB libraries available in R2	4s
Rust (docs)	3m 3s
Rust tests (windows-x64)	7m 32s
SQL logic tests	4m 43s
Rust tests (linux-arm64)	5m 17s
Rust (lint)	2m 19s
	1h 12m 6s

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