Support ZMQ Curve for transport encryption #4142

Job	Run time
Make SDist	35s
Test Lint	56s
test_docs	51s
test_without_debugpy (ubuntu-latest, 3.10)	2m 17s
Test Prereleases	2m 47s
check_release	1m 53s
link_check	3m 49s
Test Minimum Versions	2m 41s
build (ubuntu-latest, qt5, 3.14)	2m 59s
build (ubuntu-latest, qt6, 3.11)	2m 48s
build (ubuntu-latest, qt6, 3.12)	2m 49s
build (windows-latest, qt5, 3.14)	4m 31s
build (windows-latest, qt5, pypy-3.11)	8m 8s
build (ubuntu-latest, qt6, 3.13)	2m 50s
build (macos-latest, qt6, 3.13)	3m 43s
build (macos-latest, qt5, 3.14)	2m 31s
build (windows-latest, qt6, 3.13)	4m 23s
build (windows-latest, qt6, pypy-3.11)	6m 6s
build (windows-latest, qt6, 3.10)	4m 11s
build (ubuntu-latest, qt6, pypy-3.11)	3m 50s
build (macos-latest, qt6, 3.12)	3m 24s
build (macos-latest, qt6, 3.10)	3m 8s
build (macos-latest, qt5, 3.10)	3m 52s
build (macos-latest, qt6, 3.11)	3m 47s
build (windows-latest, qt5, 3.10)	4m 37s
build (ubuntu-latest, qt6, 3.10)	2m 53s
build (macos-latest, qt6, pypy-3.11)	5m 35s
build (windows-latest, qt6, 3.11)	5m 0s
build (windows-latest, qt6, 3.12)	4m 3s
build (ubuntu-latest, qt5, 3.10)	2m 56s
build (macos-latest, qt5, pypy-3.11)	5m 42s
build (ubuntu-latest, qt5, pypy-3.11)	3m 28s
Install from SDist and Test	2m 32s
coverage	12s
	1h 55m 47s

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