Remove bundled feature of rusqlite for iOS target (#523)

`bundled` enables `modern_sqlite` feature (i.e. it uses the API of
recent versions of SQLite). But iOS does not use the bundled
version (maybe it doesn't get bundled for iOS) and iOS native version
of SQLite is not very recent.

eel/Cargo.toml

@@ -28,7 +28,6 @@ num_enum = "0.6.1"
 prost = "0.11.9"
 rand = "0.8.5"
 reqwest = { version = "0.11.18", default-features = false, features = ["blocking", "rustls-tls"] }
-rusqlite = { version = "0.29.0", features = ["bundled", "chrono"] }
 # Explicitly depend on secp256k1 for secp256k1::SECP256K1.
 secp256k1 = { version = "0.24.3", features = ["global-context"] }
 thiserror = "1.0.44"
@@ -37,6 +36,12 @@ tonic = "0.9.2"
 
 perro = { git = "https://github.com/getlipa/perro", tag = "v1.1.0" }
 
+# Bundle sqlite for all targets except iOS.
+[target.'cfg(not(target_os = "ios"))'.dependencies]
+rusqlite = { version = "0.29.0", features = ["bundled", "chrono"] }
+[target.'cfg(target_os = "ios")'.dependencies]
+rusqlite = { version = "0.29.0", features = ["chrono"] }
+
 [dev-dependencies]
 colored = "2.0.4"
 ctor = "0.2.4"