fix: ignore outdated pack examples (#11003)

...a-index-packs-agent-search-retriever/examples/_example.py

...s/llama-index-packs-agent-search-retriever/pyproject.toml

...enix-query-engine/examples/arize_phoenix_llama_pack.ipynb

...ndex-packs-arize-phoenix-query-engine/examples/example.py

...ama-index-packs-arize-phoenix-query-engine/pyproject.toml

...dex-packs/llama-index-packs-corrective-rag/pyproject.toml

...packs/llama-index-packs-rag-evaluator/examples/example.py

...cks-rag-evaluator/llama_index/packs/rag_evaluator/base.py

...ndex-packs/llama-index-packs-rag-evaluator/pyproject.toml