Spring AI Add suport to anthropic prompt caching

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Expected Behavior

Integration uses cache for many contexts, one of which is cost reduction as shown in the documentation

Current Behavior

Context

The cache is in beta but can already be added to the integration

Comment From: aleksabl

Should probalby look at Geminis context caching as well: https://ai.google.dev/gemini-api/docs/caching

Comment From: sobychacko

New PR: https://github.com/spring-projects/spring-ai/pull/4199