Make wasm runtime cache size configurable (#10177)

* Make wasm runtime cache size configurable

* apply review comments

* remove VersionedRuntimeValue

* fix compilation

* VersionedRuntime: replace clone by Arc

* fmt

* fix warnings

* fix tests compilation

* fmt

substrate/utils/frame/benchmarking-cli/src/command.rs

@@ -137,6 +137,7 @@ impl BenchmarkCmd {
 			wasm_method,
 			self.heap_pages,
 			2, // The runtime instances cache size.
+			2, // The runtime cache size
 		);
 
 		let extensions = || -> Extensions {