fix: serialize configure locator updates #1427

Job	Run time
Tests in Containers (ci-homebrew-container, ubuntu-latest, homebrew/brew, x86_64-unknown-linux-musl)	3m 46s
Tests in Containers (ci-jupyter-container, ubuntu-latest, mcr.microsoft.com/devcontainers/univers...	4m 47s
Tests (macos-latest, x86_64-apple-darwin, yes)	14m 24s
Tests (macos-14, aarch64-apple-darwin, yes)	11m 8s
Builds (macos-latest, x86_64-apple-darwin, yes)	2m 27s
Tests (ubuntu-latest, x86_64-unknown-linux-musl, yes)	9m 57s
Env Tests (ci-poetry-global, windows-latest, x86_64-pc-windows-msvc)	6m 33s
Env Tests (ci-poetry-custom, windows-latest, x86_64-pc-windows-msvc)	6m 39s
Builds (windows-latest, aarch64-pc-windows-msvc)	5m 57s
Builds (macos-14, aarch64-apple-darwin, yes)	2m 15s
Env Tests (ci-poetry-global, ubuntu-latest, x86_64-unknown-linux-musl)	2m 51s
Builds (ubuntu-latest, x86_64-unknown-linux-musl, yes)	2m 17s
Builds (windows-latest, x86_64-pc-windows-msvc)	5m 56s
Env Tests (ci-poetry-project, ubuntu-latest, x86_64-unknown-linux-musl)	2m 50s
Tests (windows-latest, x86_64-pc-windows-msvc, yes)	8m 40s
Env Tests (ci-poetry-project, windows-latest, x86_64-pc-windows-msvc)	5m 23s
Env Tests (ci-poetry-custom, ubuntu-latest, x86_64-unknown-linux-musl)	2m 49s
	1h 38m 39s

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