fix: deduplicate concurrent refresh requests #1373

Job	Run time
Tests (macos-14, aarch64-apple-darwin, yes)	12m 32s
Tests in Containers (ci-jupyter-container, ubuntu-latest, mcr.microsoft.com/devcontainers/univers...	5m 4s
Tests (windows-latest, x86_64-pc-windows-msvc, yes)	9m 16s
Env Tests (ci-poetry-custom, ubuntu-latest, x86_64-unknown-linux-musl)	2m 51s
Tests (ubuntu-latest, x86_64-unknown-linux-musl, yes)	9m 54s
Tests in Containers (ci-homebrew-container, ubuntu-latest, homebrew/brew, x86_64-unknown-linux-musl)	3m 46s
Tests (macos-latest, x86_64-apple-darwin, yes)	15m 10s
Env Tests (ci-poetry-global, windows-latest, x86_64-pc-windows-msvc)	6m 14s
Env Tests (ci-poetry-project, windows-latest, x86_64-pc-windows-msvc)	5m 53s
Builds (ubuntu-latest, x86_64-unknown-linux-musl, yes)	2m 13s
Builds (macos-latest, x86_64-apple-darwin, yes)	2m 48s
Env Tests (ci-poetry-custom, windows-latest, x86_64-pc-windows-msvc)	5m 58s
Env Tests (ci-poetry-global, ubuntu-latest, x86_64-unknown-linux-musl)	2m 51s
Builds (windows-latest, aarch64-pc-windows-msvc)	5m 24s
Builds (macos-14, aarch64-apple-darwin, yes)	2m 37s
Builds (windows-latest, x86_64-pc-windows-msvc)	7m 33s
Env Tests (ci-poetry-project, ubuntu-latest, x86_64-unknown-linux-musl)	3m 4s
	1h 43m 8s

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