Benchmark Collective Pallet (#5343)

* Init

* Fix execute.

* Duplicate macro for instances temporarilly

* Add propose.

* Add vote, close.

* Propose from own module

* Add old members to set_members.

* Add previous proposals to propose.

* Compress a bit the macro.

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

substrate/bin/node/runtime/src/lib.rs

@@ -916,6 +916,13 @@ impl_runtime_apis! {
 					steps,
 					repeat,
 				),
+				b"pallet-collective" | b"collective" => Council::run_benchmark(
+					extrinsic,
+					lowest_range_values,
+					highest_range_values,
+					steps,
+					repeat,
+				),
 				_ => Err("Benchmark not found for this pallet."),
 			};