Add msising 'attrs' attribute to comply with schema

charts/ix-chart/2102.0.0/questions.yaml

@@ -446,3 +446,4 @@ questions:
       type: dict
       $ref:
         - "definitions/gpuConfiguration"
+      attrs: []

charts/plex/1.1.0/questions.yaml

@@ -149,6 +149,7 @@ questions:
       type: dict
       $ref:
         - "definitions/gpuConfiguration"
+      attrs: []
 
   - variable: appVolumeMounts
     label: "Plex Storage"

test/ix-chart/2101.0.0/questions.yaml

@@ -446,3 +446,4 @@ questions:
       type: dict
       $ref:
         - "definitions/gpuConfiguration"
+      attrs: []

test/plex/1.1.1/questions.yaml

@@ -113,6 +113,7 @@ questions:
       type: dict
       $ref:
         - "definitions/gpuConfiguration"
+      attrs: []
 
   - variable: appVolumeMounts
     label: "Plex Storage"