Drop support for WASI preview 0 (#466)

Author: jeffcharles

ext/src/ruby_api/linker.rs

@@ -54,8 +54,11 @@ impl Linker {
 
         let mut inner: LinkerImpl<StoreData> = LinkerImpl::new(engine.get());
         if wasi {
-            wasi_common::sync::add_to_linker(&mut inner, |s| s.wasi_ctx_mut())
-                .map_err(|e| error!("{}", e))?
+            wasi_common::sync::snapshots::preview_1::add_wasi_snapshot_preview1_to_linker(
+                &mut inner,
+                |s| s.wasi_ctx_mut(),
+            )
+            .map_err(|e| error!("{}", e))?
         }
         Ok(Self {
             inner: RefCell::new(inner),

spec/unit/error_spec.rb

@@ -114,7 +114,7 @@ def module_trapping_on_func
     def wasi_module_exiting
       Module.new(engine, <<~WAT)
         (module
-          (import "wasi_unstable" "proc_exit"
+          (import "wasi_snapshot_preview1" "proc_exit"
             (func $__wasi_proc_exit (param i32)))
           (memory (export "memory") 0)
           (func $_start