feat(swap): Use art_client to dial over Tor (#196)

- Upgrade `sqlx` to `0.8`
- Use `arti_client@0.24` in combination with [`libp2p-community-tor`](https://crates.io/crates/libp2p-community-tor/0.4.1). https://github.com/umgefahren/libp2p-tor/pull/18 was required for this.
- Display spinner in GUI while Tor circuits are being established
- Remove unused dependencies (`once_cell`, `tauri-plugin-devtools`, `digest`, `hyper`, `itertools`, `erased_serde`)
- Bundle roboto font from npm registry

src-tauri/Cargo.toml

@@ -16,14 +16,12 @@ tauri-build = { version = "2.0", features = [ "config-json5" ] }
 
 [dependencies]
 anyhow = "1"
-once_cell = "1"
 serde = { version = "1", features = [ "derive" ] }
 serde_json = "1"
 swap = { path = "../swap", features = [ "tauri" ] }
 sysinfo = "=0.32.0"
 tauri = { version = "2.0", features = [ "config-json5" ] }
 tauri-plugin-clipboard-manager = "2.0"
-tauri-plugin-devtools = "2.0"
 tauri-plugin-process = "2.0"
 tauri-plugin-shell = "2.0"
 tauri-plugin-store = "2.1.0"

src-tauri/src/lib.rs

@@ -299,6 +299,7 @@ async fn initialize_context(
         })
         .with_json(false)
         .with_debug(true)
+        .with_tor(true)
         .with_tauri(tauri_handle.clone())
         .build()
         .await;