Merge branch 'main' of https://github.com/MetaMask/delegation-framework into chore-deploy-katana

Author: MoMannn

.env.example

@@ -45,6 +45,7 @@ RONIN_RPC_URL=https://api.roninchain.com/rpc
 TEMPO_RPC_URL=https://rpc.tempo.xyz
 CELO_RPC_URL=https://rpc.celocolombia.org
 CITREA_RPC_URL=https://rpc.mainnet.citrea.xyz
+MANTLE_RPC_URL=https://rpc.mantle.xyz
 KATANA_RPC_URL=https://rpc.katana.network
 
 # Testnets
@@ -67,4 +68,5 @@ HOODI_RPC_URL=https://hoodi.infura.io/v3/${RPC_API_KEY}
 RONIN_SAIGON_RPC_URL=https://saigon-testnet.roninchain.com/rpc
 TEMPO_MODERATO_RPC_URL=https://rpc.moderato.tempo.xyz
 CELO_SEPOLIA_RPC_URL=https://rpc.ankr.com/celo_sepolia
+MANTLE_SEPOLIA_RPC_URL=https://rpc.sepolia.mantle.xyz
 KATANA_BOKUTO_RPC_URL=https://rpc-bokuto.katanarpc.com