Deprecation warnings

[samuelkarp]

Tracking issue for implementing warnings for #9292.

Core deprecation warning implementation:

• 2.0 - Expose usage of deprecated features #9258
• 1.7 - [release/1.7] Expose usage of deprecated features #9315
• 1.6 - [release/1.6] deprecation: new package for deprecations #9329

Warning ID	Component	2.0	1.7	1.6
runtime-v1	Runtime V1 API and implementation (io.containerd.runtime.v1.linux)	Removed	✔️ (#9450)	✔️ (#9468)
runtime-runc-v1	Runc V1 implementation of Runtime V2 (io.containerd.runc.v1)	Removed	✔️ (#9450)	✔️ (#9468)
aufs-snapshotter	Built-in aufs snapshotter	Removed	✔️ (#9436)	✔️ (#9448)
restart-logpath	Container label containerd.io/restart.logpath	Removed	✔️ (#9567)	✔️ (#9572)
pull-schema-1-image	Pulling Schema 1 images (application/vnd.docker.distribution.manifest.v1+json)	✔️ (#9258)	✔️ (#9315)	✔️ (#9329)
cri-v1alpha2	CRI v1alpha2	Removed	✔️ (#9336)	✔️ (#9357)
	Legacy CRI implementation of podsandbox support	Removed	N/A	N/A
go-plugin-library	Go-Plugin library (*.so) as containerd runtime plugin	✔️ (#9258)	✔️ (#9315)	✔️ (#9329)

Warning ID	Property Group	Property	1.7	1.6
cri-systemd-cgroup-v1	[plugins."io.containerd.grpc.v1.cri"]	systemd_cgroup	✔️ (#9469)	✔️ (#9547)
cri-untrusted-workload-runtime	[plugins."io.containerd.grpc.v1.cri".containerd]	untrusted_workload_runtime	✔️ (#9469)	✔️ (#9547)
cri-default-runtime	[plugins."io.containerd.grpc.v1.cri".containerd]	default_runtime	✔️ (#9469)	✔️ (#9547)
cri-runtime-engine	[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.*]	runtime_engine	✔️ (#9469)	✔️ (#9547)
cri-runtime-root	[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.*]	runtime_root	✔️ (#9469)	✔️ (#9547)
cri-criu-path	[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.*.options]	CriuPath	✔️ (#9481)	✔️ (#9546)
cri-registry-auths	[plugins."io.containerd.grpc.v1.cri".registry]	auths	✔️ (#9327)	✔️ (#9355)
cri-registry-configs	[plugins."io.containerd.grpc.v1.cri".registry]	configs	✔️ (#9327)	✔️ (#9355)
cri-registry-mirrors	[plugins."io.containerd.grpc.v1.cri".registry]	mirrors	✔️ (#9327)	✔️ (#9355)

(for properties that haven't yet been removed from 2.0: #9319)

[SergeyKanzhelev]

suggestions to improve v1alpha2 detection: #9336 (comment)