Change dify plugin label (MemMachine#907)

Author: mwqgithub

integrations/dify/plugin/manifest.yaml

@@ -3,10 +3,10 @@ type: plugin
 author: memverge
 name: memmachine-plugin
 label:
-  en_US: memmachine-plugin
-  ja_JP: memmachine-plugin
-  zh_Hans: memmachine-plugin
-  pt_BR: memmachine-plugin
+  en_US: MemMachine
+  ja_JP: MemMachine
+  zh_Hans: MemMachine
+  pt_BR: MemMachine
 description:
   en_US: memmachine plugin
   ja_JP: memmachine plugin

integrations/dify/plugin/templates/provider/memmachine-plugin.yaml.j2

@@ -2,10 +2,10 @@ identity:
   author: "memverge"
   name: "memmachine-plugin"
   label:
-    en_US: "memmachine-plugin"
-    zh_Hans: "memmachine-plugin"
-    pt_BR: "memmachine-plugin"
-    ja_JP: "memmachine-plugin"
+    en_US: "MemMachine"
+    zh_Hans: "MemMachine"
+    pt_BR: "MemMachine"
+    ja_JP: "MemMachine"
   description:
     en_US: "memmachine plugin"
     zh_Hans: "memmachine plugin"
@@ -16,7 +16,7 @@ identity:
 credentials_for_provider:
   memmachine_api_key:
     type: secret-input
-    required: true
+    required: false
     label:
       en_US: MemMachine API key
       zh_Hans: MemMachine API key