chore: polkadot 0.9.42 migration

Cargo.toml

@@ -56,6 +56,7 @@ pallet-inflation = {path = "pallets/pallet-inflation", default-features = false}
 pallet-web3-names = {path = "pallets/pallet-web3-names", default-features = false}
 parachain-staking = {path = "pallets/parachain-staking", default-features = false}
 public-credentials = {path = "pallets/public-credentials", default-features = false}
+pallet-migration = {path = "pallets/pallet-migration", default-features = false}
 
 # Internal support (with default disabled)
 kilt-asset-dids = {path = "crates/assets", default-features = false}

pallets/attestation/src/attestations.rs

@@ -68,7 +68,7 @@ mod tests {
 	fn test_no_need_to_migrate_if_none() {
 		let old = OldAttestationDetailsOf::<Test> {
 			ctype_hash: claim_hash_from_seed(CLAIM_HASH_SEED_01),
-			attester: sr25519_did_from_seed(&ALICE_SEED),
+			attester: sr25519_did_from_public_key(&ALICE_SEED),
 			delegation_id: None,
 			revoked: true,
 			deposit: Deposit {
@@ -83,7 +83,7 @@ mod tests {
 			new,
 			Ok(AttestationDetailsOf::<Test> {
 				ctype_hash: claim_hash_from_seed(CLAIM_HASH_SEED_01),
-				attester: sr25519_did_from_seed(&ALICE_SEED),
+				attester: sr25519_did_from_public_key(&ALICE_SEED),
 				authorization_id: None,
 				revoked: true,
 				deposit: Deposit {