replace deprecated wait.Poll with wait.PollUntilContextTimeout

[vardhaman22]

related issue: rancher/rancher#41840
to fix linting error:

store/crd/init.go:138:9: SA1019: wait.Poll is deprecated: This method does not return errors from context, use PollWithContextTimeout. Note that the new method will no longer return ErrWaitTimeout and instead return errors defined by the context package. Will be removed in a future release. (staticcheck)
        return wait.Poll(500*time.Millisecond, 60*time.Second, func() (bool, error) {
               ^
             ```

[kinarashah]

LGTM, Confirmed the older Poll used immediate:false under the hood, https://github.com/kubernetes/kubernetes/blob/395f0a2fdc940aeb9ab88849e8fa4321decbf6e1/staging/src/k8s.io/apimachinery/pkg/util/wait/wait.go#L460