add CNI bridge network provider #2229

Job	Run time
prepare	6s
binaries (darwin/amd64)	58s
binaries (darwin/arm64)	57s
binaries (linux/amd64)	2m 9s
binaries (linux/arm/v7)	2m 3s
binaries (linux/arm64)	2m 8s
binaries (linux/s390x)	2m 10s
binaries (linux/ppc64le)	6m 45s
binaries (linux/riscv64)	2m 11s
binaries (windows/amd64)	57s
binaries (windows/arm64)	2m 41s
test / prepare	1m 44s
test / run (containerd, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	6m 51s
test / run (containerd-rootless, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integr...	8m 15s
test / run (containerd-1.6, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	7m 24s
test / run (containerd-snapshotter-stargz, ./client ./cmd/buildctl ./worker/containerd ./solver ./fronte...	7m 32s
test / run (oci, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	5m 7s
test / run (oci-rootless, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	4m 51s
test / run (oci-snapshotter-stargz, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, int...	5m 30s
test / run (./..., 1, integration gateway)	3m 55s
test / run (./client, containerd, nydus, integration)	6m 52s
test / run (./client, oci, nydus, integration)	5m 3s
test / run (./..., nydus, 1, integration)	3m 55s
image	8m 53s
image (rootless)	7m 57s
release	24s
	1h 47m 18s

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