Refactor synchronization primitives from Mutex to RwLock for improved concurrency #1198

Job	Run time
Env Tests (ci-poetry-project, windows-latest, x86_64-pc-windows-msvc)	4m 59s
Tests in Containers (ci-homebrew-container, ubuntu-latest, homebrew/brew, x86_64-unknown-linux-musl)	3m 36s
Tests (macos-latest, x86_64-apple-darwin, yes)	10m 18s
Tests (ubuntu-latest, x86_64-unknown-linux-musl, yes)	9m 1s
Builds (windows-latest, aarch64-pc-windows-msvc)	4m 58s
Env Tests (ci-poetry-custom, ubuntu-latest, x86_64-unknown-linux-musl)	2m 21s
Env Tests (ci-poetry-project, ubuntu-latest, x86_64-unknown-linux-musl)	2m 29s
Env Tests (ci-poetry-global, windows-latest, x86_64-pc-windows-msvc)	5m 7s
Builds (macos-latest, x86_64-apple-darwin, yes)	3m 4s
Tests (windows-latest, x86_64-pc-windows-msvc, yes)	8m 52s
Env Tests (ci-poetry-global, ubuntu-latest, x86_64-unknown-linux-musl)	2m 30s
Env Tests (ci-poetry-custom, windows-latest, x86_64-pc-windows-msvc)	4m 53s
Builds (ubuntu-latest, x86_64-unknown-linux-musl, yes)	1m 49s
Builds (windows-latest, x86_64-pc-windows-msvc)	4m 36s
Builds (macos-14, aarch64-apple-darwin, yes)	1m 43s
Tests in Containers (ci-jupyter-container, ubuntu-latest, mcr.microsoft.com/devcontainers/univers...	4m 3s
Tests (macos-14, aarch64-apple-darwin, yes)	14m 2s
	1h 28m 21s

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