guides: add runtime handler annotation to examples

With Nydus snapshotter we require a minor change to pod yaml files.

Signed-off-by: Tobin Feldman-Fitzthum <tobin@ibm.com>

guides/ephemeral_storage.md

@@ -12,6 +12,8 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: trusted-lvm-block
+  annotations:
+    io.containerd.cri.runtime-handler: kata-qemu-tdx
 spec:
   runtimeClassName: kata-qemu-tdx
   containers:

guides/nontee_demo.md

@@ -57,6 +57,8 @@ spec:
     metadata:
       labels:
         app: ccv0-ssh
+      annotations:
+        io.containerd.cri.runtime-handler: kata
     spec:
       runtimeClassName: kata
       containers:

guides/sev.md

@@ -129,6 +129,8 @@ spec:
     metadata:
       labels:
         app: encrypted-image-tests
+      annotations:
+        io.containerd.cri.runtime-handler: kata-qemu-sev
     spec:
       runtimeClassName: kata-qemu-sev
       containers: