fix: Add inline completion action text

- Add English text for inline completion action
- Add Chinese text for inline completion action
- Update DevChatBundle.properties with new entries

src/main/resources/messages/DevChatBundle.properties

@@ -14,6 +14,8 @@ action.addToDevChat.text.zh=\u6DFB\u52A0\u5230 ${ASSISTANT_NAME_ZH}
 action.docComment.text.zh=\u884C\u95F4\u6CE8\u91CA
 action.explainCode.text.zh=\u4EE3\u7801\u89E3\u91CA
 action.fix.text.zh=\u4EE3\u7801\u7EA0\u9519
+action.triggerCompletion.text=Inline Completion
+action.triggerCompletion.text.zh=\u4EE3\u7801\u8865\u5168
 assistant.name.zh=${ASSISTANT_NAME_ZH}
 assistant.name.en=${ASSISTANT_NAME_EN}
 plugin.id=${PLUGIN_ID}