Upgrade llama-index version to v0.10+ for create-llama (#556)

.changeset/rotten-rabbits-sleep.md

packages/create-llama/helpers/index.ts

packages/create-llama/helpers/python.ts

packages/create-llama/helpers/tools.ts

packages/create-llama/helpers/types.ts

packages/create-llama/index.ts

packages/create-llama/questions.ts

...ama/templates/components/engines/python/agent/__init__.py

...-llama/templates/components/engines/python/agent/tools.py

...-llama/templates/components/loaders/python/file/loader.py

...e-llama/templates/components/loaders/python/web/loader.py

...ma/templates/components/vectordbs/python/mongo/context.py

...a/templates/components/vectordbs/python/mongo/generate.py

...lama/templates/components/vectordbs/python/mongo/index.py

...a/templates/components/vectordbs/python/mongo/settings.py

...ama/templates/components/vectordbs/python/none/context.py

...ma/templates/components/vectordbs/python/none/generate.py

...llama/templates/components/vectordbs/python/none/index.py

...ma/templates/components/vectordbs/python/none/settings.py

...llama/templates/components/vectordbs/python/pg/context.py