bump API versions of {Beefy,Mmr}Api (#13509)

substrate/primitives/consensus/beefy/src/lib.rs

@@ -302,6 +302,7 @@ impl OpaqueKeyOwnershipProof {
 
 sp_api::decl_runtime_apis! {
 	/// API necessary for BEEFY voters.
+	#[api_version(2)]
 	pub trait BeefyApi
 	{
 		/// Return the block number where BEEFY consensus is enabled/started

substrate/primitives/merkle-mountain-range/src/lib.rs

@@ -422,6 +422,7 @@ impl Error {
 
 sp_api::decl_runtime_apis! {
 	/// API to interact with MMR pallet.
+	#[api_version(2)]
 	pub trait MmrApi<Hash: codec::Codec, BlockNumber: codec::Codec> {
 		/// Return the on-chain MMR root hash.
 		fn mmr_root() -> Result<Hash, Error>;