Support ZMQ Curve for transport encryption #4123

Job	Run time
test_docs	57s
test_without_debugpy (ubuntu-latest, 3.10)	2m 31s
Make SDist	28s
check_release	1m 48s
Test Minimum Versions	2m 43s
link_check	2m 26s
build (ubuntu-latest, qt6, 3.13)	2m 44s
Test Prereleases	2m 38s
Test Lint	1m 1s
build (windows-latest, qt5, 3.10)	4m 38s
build (ubuntu-latest, qt5, pypy-3.11)	3m 24s
build (ubuntu-latest, qt5, 3.10)	2m 50s
build (ubuntu-latest, qt6, 3.12)	2m 44s
build (ubuntu-latest, qt6, 3.10)	2m 43s
build (ubuntu-latest, qt6, 3.11)	2m 34s
build (ubuntu-latest, qt6, pypy-3.11)	3m 11s
build (macos-latest, qt6, 3.10)	3m 32s
build (windows-latest, qt5, 3.14)	3m 46s
build (macos-latest, qt6, 3.11)	2m 46s
build (windows-latest, qt6, 3.10)	3m 13s
build (ubuntu-latest, qt5, 3.14)	2m 36s
build (macos-latest, qt5, pypy-3.11)	4m 39s
build (macos-latest, qt6, 3.12)	3m 50s
build (macos-latest, qt6, pypy-3.11)	5m 13s
build (windows-latest, qt6, pypy-3.11)	5m 16s
build (macos-latest, qt6, 3.13)	2m 34s
build (macos-latest, qt5, 3.10)	2m 52s
build (macos-latest, qt5, 3.14)	2m 28s
build (windows-latest, qt6, 3.12)	3m 53s
build (windows-latest, qt5, pypy-3.11)	6m 10s
build (windows-latest, qt6, 3.11)	5m 30s
build (windows-latest, qt6, 3.13)	3m 40s
Install from SDist and Test	2m 38s
coverage	0s
	1h 43m 56s

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