Add a Redis based chat memory store extension #484

Job	Run time
Build on ubuntu-latest - 17	12m 45s
Test on ubuntu-latest - 21	10m 29s
azure-openai native tests	4m 15s
bam native tests	4m 9s
devui native tests	1m 13s
hugging-face native tests	4m 36s
mistralai native tests	4m 10s
multiple-providers native tests	4m 31s
ollama native tests	4m 13s
openai native tests	4m 30s
simple-ollama native tests	4m 38s
	59m 29s

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