Expose convex_origin and convex_site params on local backend binary (…

…#32815)

I think folks who are legitimately self-hosting (vs. just running locally) will want to override these but have no way of doing so.

GitOrigin-RevId: 81ff6f3734bcb03322e5ef40bfc612cec82d9d5c

crates/local_backend/src/config.rs

@@ -37,9 +37,11 @@ pub struct LocalConfig {
     site_proxy_port: u16,
 
     /// Origin of the Convex server
+    #[clap(long, requires = "convex_site")]
     convex_origin: Option<ConvexOrigin>,
 
     /// Origin of the Convex HTTP Actions
+    #[clap(long, requires = "convex_origin")]
     convex_site: Option<ConvexSite>,
 
     #[clap(long)]