fix: evict prompt cache on NotFound error#1442

hassiebp merged 2 commits intolangfuse:evict-prompt-on-not-founglangfuse/langfuse-python:evict-prompt-on-not-foungfrom

Betensis:fix/prompt-cache-not-found-errorBetensis/langfuse-python:fix/prompt-cache-not-found-errorCopy head branch name to clipboard