templates: fix azure params in retrieval agent (#16257)
- FIX templates/retrieval-agent/retireval-agent/chain.py to use the new
Syntax for Azure env params
- cr
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Co-authored-by: braun-viathan <p.braun@viathan.de>
Co-authored-by: Braun-viathan <121631422+braun-viathan@users.noreply.github.com>
