Companion PR for #6569 (#1394)

* Update wasm-builder version to 2.0.0

* Fix all crate compile

* Update cargo lock

* Bump runtime impl_version

polkadot/parachain/test-parachains/adder/build.rs

@@ -19,7 +19,7 @@ use wasm_builder_runner::WasmBuilder;
 fn main() {
 	WasmBuilder::new()
 		.with_current_project()
-		.with_wasm_builder_from_crates("1.0.11")
+		.with_wasm_builder_from_crates("2.0.0")
 		.export_heap_base()
 		.build()
 }

polkadot/parachain/test-parachains/adder/src/lib.rs

@@ -33,6 +33,13 @@ static ALLOC: dlmalloc::GlobalDlmalloc = dlmalloc::GlobalDlmalloc;
 #[cfg(feature = "std")]
 include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
 
+#[cfg(feature = "std")]
+/// Wasm binary unwrapped. If built with `BUILD_DUMMY_WASM_BINARY`, the function panics.
+pub fn wasm_binary_unwrap() -> &'static [u8] {
+	WASM_BINARY.expect("Development wasm binary is not available. Testing is only \
+						supported with the flag disabled.")
+}
+
 /// Head data for this parachain.
 #[derive(Default, Clone, Hash, Eq, PartialEq, Encode, Decode)]
 pub struct HeadData {