reduce keywords allowed by cargo

Author: jvmvik

Cargo.toml

@@ -9,7 +9,7 @@ documentation = "https://serpapi.com/search-api"
 repository = "https://github.com/serpapi/serpapi-rust"
 license = "MIT"
 authors = ["Victor Benarbia <[email protected]>"]
-keywords = ["google", "search", "engine", "scrape", "serpapi", "web", "train", "mcp", "llm"]
+keywords = ["google", "search", "engine", "scrape", "ai"]
 categories = ["network-programming", "parsing", "web-programming::http-client", "api-bindings"]
 
 include = [