fix: correct name typo from 'apropriate' to 'appropriate'

Signed-off-by: Changho Kim <[email protected]>

Author: xion-chokim

spring-ai-docs/src/main/antora/modules/ROOT/pages/api/chat/vertexai-gemini-chat.adoc

@@ -10,7 +10,7 @@ link:https://cloud.google.com/vertex-ai/docs/generative-ai/model-reference/gemin
 
 == Prerequisites
 
-- Install the link:https://cloud.google.com/sdk/docs/install[gcloud] CLI, apropriate for you OS.
+- Install the link:https://cloud.google.com/sdk/docs/install[gcloud] CLI, appropriate for you OS.
 - Authenticate by running the following command.
 Replace `PROJECT_ID` with your Google Cloud project ID and `ACCOUNT` with your Google Cloud username.