Scheduler: add <min_libc_version> option to plan_class_spec.xml #3520

Job	Run time
libs-build	2m 9s
client-build	3m 30s
apps-build	3m 31s
libs-vcpkg-build	3m 3s
client-vcpkg-build	3m 41s
apps-vcpkg-build	4m 41s
libs-cmake-build	2m 7s
libs-arm64-build	2m 7s
apps-arm64-build	11m 58s
manager-with-webview-vcpkg-build	23m 17s
server-build	4m 45s
manager-with-webview-build	9m 27s
manager-without-webview-build	8m 51s
unit-test-build	4m 57s
integration-test-build	6m 27s
	1h 34m 31s

Provide feedback