test: Bump up runc to 9f9c96235cc97674e935002fc3d78361b696a69e

This brings in a fix for a cgroups setup race condition
that we hit sometimes in the tests.

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/github.com/opencontainers/runc/libcontainer/configs/config.go

@@ -187,6 +187,10 @@ type Config struct {
 
 	// Rootless specifies whether the container is a rootless container.
 	Rootless bool `json:"rootless"`
+
+	// IntelRdt specifies settings for Intel RDT/CAT group that the container is placed into
+	// to limit the resources (e.g., L3 cache) the container has available
+	IntelRdt *IntelRdt `json:"intel_rdt,omitempty"`
 }
 
 type Hooks struct {