Increase heap size (#2374)

Author: cmichi

crates/allocator/src/bump.rs

@@ -31,7 +31,7 @@ const PAGE_SIZE: usize = 64 * 1024;
 static mut INNER: Option<InnerAlloc> = None;
 
 #[cfg(target_arch = "riscv64")]
-static mut RISCV_HEAP: [u8; 1024 * 10] = [0; 1024 * 1024];
+static mut RISCV_HEAP: [u8; 1024 * 1024] = [0; 1024 * 1024];
 
 /// A bump allocator suitable for use in a Wasm environment.
 pub struct BumpAllocator;