[release/1.7] bug fix: make sure cri image is pinned when it is pulled outside cri

[henry118]

Cherry-pick: #9732

Signed-off-by: Henry Wang henwang@amazon.com
(cherry picked from commit 1eaf0c1)

[estesp]

=== RUN   TestContainerdSandboxImagePulledOutsideCRI
    containerd_image_test.go:244: make sure the pause image does not exist
    containerd_image_test.go:247: pull pause image
    containerd_image_test.go:251: pause image should be seen by cri plugin
    containerd_image_test.go:258: verify pinned field is set for pause image
    containerd_image_test.go:259: 
        	Error Trace:	/home/runner/work/containerd/containerd/integration/containerd_image_test.go:259
        	Error:      	Should be true
        	Test:       	TestContainerdSandboxImagePulledOutsideCRI
    containerd_image_test.go:261: make sure the pause image exist
    containerd_image_test.go:265: ensure correct labels are set on pause image
    containerd_image_test.go:266: 
        	Error Trace:	/home/runner/work/containerd/containerd/integration/containerd_image_test.go:266
        	Error:      	Not equal: 
        	            	expected: "pinned"
        	            	actual  : ""
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1 +1 @@
        	            	-pinned
        	            	+
        	Test:       	TestContainerdSandboxImagePulledOutsideCRI
--- FAIL: TestContainerdSandboxImagePulledOutsideCRI (1.55s)