feat: add HTTP resilience infrastructure (Polly v8) #237

Job	Run time
Build	2m 17s
Test - Identity.Tests	43s
Test - Auditing.Tests	29s
Test - Architecture.Tests	43s
Test - Multitenancy.Tests	37s
Test - Generic.Tests	38s
Publish Dev Containers	2m 27s
Publish Release (NuGet + Containers)	0s
	7m 54s

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