Deprecate mode() in favor of __init__(base_url=...) for NVIDIA,...

Deprecate mode() in favor of __init__(base_url=...) for NVIDIA, NVIDIAEmbedding, NVIDIARerank (#13572)

* deprecate NVIDIA().mode(...), use NVIDIA(...) instead

* bump version to 0.1.3

* deprecate NVIDIAEmbedding().mode(...), use NVIDIAEmbedding(...) instead

* bump version to 0.1.2

* deprecate NVIDIARerank().mode(...), use NVIDIARerank(...) instead

* bump version to 0.1.3