Fix Cargo.toml repository link

Author: sintemal

Cargo.toml

@@ -4,7 +4,7 @@ edition = "2021"
 name = "solana-geyser-plugin-postgres"
 description = "The Solana AccountsDb plugin for PostgreSQL database."
 version = "1.15.2"
-repository = "https://github.com/solana-labs/solana"
+repository = "https://github.com/solana-labs/solana-accountsdb-plugin-postgres"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
 documentation = "https://docs.rs/solana-validator"