Add blocks in batches #40204

Job	Run time
🐧 ruff - Linux Intel 3.10	57s
🐧 generated protocol tests - Linux Intel 3.10	59s
🐧 💪 mypy - Linux 3.9	3m 22s
🐧 poetry - Linux Intel 3.10	58s
🐧 💪 mypy - Linux 3.10	3m 32s
🐧 💪 mypy - Linux 3.11	3m 23s
🐧 💪 mypy - Linux 3.12	3m 21s
🐧 🌀 mypy - Linux 3.9	1m 28s
🐧 actionlint - Linux Intel 3.10	52s
🐧 🌀 mypy - Linux 3.10	1m 30s
🐧 🌀 mypy - Linux 3.11	1m 22s
🐧 🌀 mypy - Linux 3.12	1m 28s
🍎 💪 mypy - macOS 3.9	2m 12s
🍎 💪 mypy - macOS 3.10	2m 14s
🍎 💪 mypy - macOS 3.11	2m 24s
🍎 💪 mypy - macOS 3.12	2m 58s
🍎 🌀 mypy - macOS 3.9	1m 50s
🍎 🌀 mypy - macOS 3.10	2m 23s
🍎 🌀 mypy - macOS 3.11	1m 52s
🍎 🌀 mypy - macOS 3.12	2m 52s
🪟 🌀 mypy - Windows 3.9	2m 17s
🪟 🌀 mypy - Windows 3.10	2m 16s
🪟 🌀 mypy - Windows 3.11	2m 13s
🪟 🌀 mypy - Windows 3.12	2m 13s
Lint and Upload source distribution (3.10, ubuntu-latest)	1m 6s
	52m 2s

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