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Harden release readiness and provider resilience #37

Job	Run time
build-and-test (macos-latest)	2m 2s
package-smoke (windows-latest)	2m 0s
package-smoke (macos-latest)	47s
documentation	1m 17s
vscode-extension	13s
package-smoke (ubuntu-latest)	1m 10s
build-and-test (ubuntu-latest)	1m 51s
build-and-test (windows-latest)	3m 56s
	13m 16s