fix resource clain template exactly.deviceClassName example

Author: pacoxu

content/en/blog/_posts/2025-09-18-dra-consumable-capacity.md

@@ -140,7 +140,7 @@ spec:
     requests: # for devices
     - name: req0
       exactly:
-      - deviceClassName: resource.example.com
+        deviceClassName: resource.example.com
         capacity:
           requests: # for resources which must be provided by those devices
             memory: 10Gi

content/en/docs/concepts/scheduling-eviction/dynamic-resource-allocation.md

@@ -653,7 +653,7 @@ spec:
       requests:
       - name: req-0
         exactly:
-        - deviceClassName: resource.example.com
+          deviceClassName: resource.example.com
           capacity:
             requests:
               bandwidth: 1G