Rename package to CosmoSQLClient

Aligns Package.swift name with the GitHub repo (CosmoSQLClient-Swift)
and the .NET counterpart (CosmoSQLClient-Dotnet).

Users adding via Swift Package Index use:
  .package(url: "https://github.com/vkuttyp/CosmoSQLClient-Swift", from: "...")
  .product(name: "CosmoMSSQL", package: "CosmoSQLClient")

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: vkuttyp

Package.swift

@@ -16,7 +16,7 @@ let sqliteNioLinkerSettings:  [LinkerSetting] = []
 #endif
 
 let package = Package(
-    name: "cosmo-sql-client",
+    name: "CosmoSQLClient",
     platforms: [
         .macOS(.v13),
         .iOS(.v16),