Lodestar v1.45.0 Fixes Security, Adds Graffiti Diversity

Lodestar v1.45.0 released with security fixes. Adds client-diversity suffix to graffiti by default; disable via --graffitiAppend false. Includes Glamsterdam/ePBS preparations, API, networking fixes, sync-stability improvements, and peer manager metrics. Resolves node hanging at shutdown, preventing re-syncs from old checkpoints.