Update --bootnodes description and throw exception is mixed enode and ENR bootnodes are present#9955

Matilda-Clerke merged 8 commits into

besu-eth:mainbesu-eth/besu:mainfrom

Matilda-Clerke:bootnodes-cli-improvementsMatilda-Clerke/besu:bootnodes-cli-improvementsCopy head branch name to clipboard