Add price info for zhipu models (#7084)

api/core/model_runtime/model_providers/zhipuai/llm/glm-4-0520.yaml

     default: 1024
     min: 1
     max: 8192
+pricing:
+  input: '0.1'
+  output: '0.1'
+  unit: '0.001'
+  currency: RMB

api/core/model_runtime/model_providers/zhipuai/llm/glm-4-air.yaml

     default: 1024
     min: 1
     max: 8192
+pricing:
+  input: '0.001'
+  output: '0.001'
+  unit: '0.001'
+  currency: RMB

api/core/model_runtime/model_providers/zhipuai/llm/glm-4-airx.yaml

     default: 1024
     min: 1
     max: 8192
+pricing:
+  input: '0.01'
+  output: '0.01'
+  unit: '0.001'
+  currency: RMB

api/core/model_runtime/model_providers/zhipuai/llm/glm-4-flash.yaml

     default: 1024
     min: 1
     max: 8192
+pricing:
+  input: '0.0001'
+  output: '0.0001'
+  unit: '0.001'
+  currency: RMB

api/core/model_runtime/model_providers/zhipuai/text_embedding/embedding-2.yaml

 model_type: text-embedding
 model_properties:
   context_size: 512
+pricing:
+  input: '0.0005'
+  unit: '0.001'
+  currency: RMB