Update heap size to have space for bigger pulley binaries

Signed-off-by: Doru Blânzeanu <dblnz@pm.me>

Author: dblnz

src/hyperlight_wasm/examples/rust_wasm_examples/main.rs

@@ -40,7 +40,7 @@ fn main() -> Result<()> {
 
         let mut proto_wasm_sandbox = SandboxBuilder::new()
             .with_guest_input_buffer_size(256 * 1024)
-            .with_guest_heap_size(768 * 1024)
+            .with_guest_heap_size(1280 * 1024)
             .build()?;
 
         proto_wasm_sandbox.register("TestHostFunc", host_func)?;