chore: update rpc

Author: ypatil12

.github/workflows/foundry.yml

@@ -72,9 +72,9 @@ jobs:
           esac
         env:
           FOUNDRY_PROFILE: ${{ matrix.suite == 'Fork' && 'forktest' || 'medium' }}
-          RPC_MAINNET: https://billowing-capable-sound.quiknode.pro/
-          RPC_SEPOLIA: ${{ secrets.RPC_SEPOLIA }}
-          
+          RPC_MAINNET: ${{ secrets.RPC_MAINNET }}
+          RPC_HOLESKY: ${{ secrets.RPC_HOLESKY }}
+
   # -----------------------------------------------------------------------
   # Forge Storage Diff
   # -----------------------------------------------------------------------