Revert "Update wasmtime (#5822)" (#5935)

This reverts commit e5163380e7.

We found some bugs that we first need to fix.

substrate/client/executor/wasmtime/src/instance_wrapper/globals_snapshot.rs

@@ -21,7 +21,6 @@ use sc_executor_common::{
 use sp_wasm_interface::Value;
 use cranelift_codegen::ir;
 use cranelift_wasm::GlobalIndex;
-use wasmtime_runtime::{ExportGlobal, Export};
 
 /// A snapshot of a global variables values. This snapshot can be used later for restoring the
 /// values to the preserved state.
@@ -44,9 +43,11 @@ impl GlobalsSnapshot {
 
 		for global_idx in instance_wrapper.imported_globals_count..instance_wrapper.globals_count {
 			let (def, global) = match handle.lookup_by_declaration(
-				&wasmtime_environ::EntityIndex::Global(GlobalIndex::from_u32(global_idx)),
+				&wasmtime_environ::Export::Global(GlobalIndex::from_u32(global_idx)),
 			) {
-				Export::Global(ExportGlobal { definition, global, .. }) => (definition, global),
+				wasmtime_runtime::Export::Global {
+					definition, global, ..
+				} => (definition, global),
 				_ => unreachable!("only globals can be returned for a global request"),
 			};