Increase timeout for DRA kubelet plugin client

The 10 second timeout was too low. Given that the retry loop for the
kubelet itself is 90s, increasing the timeout to half of this seems
reasonable. Ideally we would pull in the variable that sets the retry
timeout to 90s and then just set our local timeout to half of that.
Unfortunately, this is not exported, so we settle (for now with just
explicitly setting it to 45s.

Signed-off-by: Kevin Klues <kklues@nvidia.com>

pkg/kubelet/cm/dra/plugin/client.go

@@ -34,7 +34,7 @@ import (
 	drapb "k8s.io/kubelet/pkg/apis/dra/v1alpha3"
 )
 
-const PluginClientTimeout = 10 * time.Second
+const PluginClientTimeout = 45 * time.Second
 
 // Strongly typed address.
 type draAddr string