Support ZMQ Curve for transport encryption #4151

Job	Run time
test_docs	48s
check_release	1m 38s
Make SDist	30s
link_check	4m 33s
Test Prereleases	2m 41s
Test Minimum Versions	2m 41s
test_without_debugpy (ubuntu-latest, 3.10)	2m 21s
Test Lint	1m 4s
build (windows-latest, qt5, 3.14)	3m 54s
build (ubuntu-latest, qt5, pypy-3.11)	3m 16s
build (ubuntu-latest, qt6, 3.10)	2m 48s
build (ubuntu-latest, qt5, 3.10)	2m 44s
build (windows-latest, qt6, 3.10)	4m 0s
build (windows-latest, qt6, 3.13)	4m 26s
build (windows-latest, qt5, pypy-3.11)	6m 32s
build (windows-latest, qt6, 3.11)	4m 3s
build (ubuntu-latest, qt6, 3.12)	2m 56s
build (ubuntu-latest, qt6, 3.11)	2m 39s
build (windows-latest, qt5, 3.10)	4m 15s
build (windows-latest, qt6, pypy-3.11)	5m 56s
build (ubuntu-latest, qt5, 3.14)	2m 38s
build (ubuntu-latest, qt6, 3.13)	2m 42s
build (macos-latest, qt6, 3.10)	2m 46s
build (macos-latest, qt5, 3.14)	3m 3s
build (ubuntu-latest, qt6, pypy-3.11)	3m 31s
build (macos-latest, qt6, 3.12)	2m 46s
build (macos-latest, qt6, pypy-3.11)	4m 56s
build (macos-latest, qt5, pypy-3.11)	4m 44s
build (windows-latest, qt6, 3.12)	4m 21s
build (macos-latest, qt5, 3.10)	2m 53s
build (macos-latest, qt6, 3.13)	2m 56s
build (macos-latest, qt6, 3.11)	2m 38s
Install from SDist and Test	2m 30s
coverage	9s
	1h 46m 18s

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