update runtime arch diagram

Author: jyecusch

docs/get-started/foundations/deployment/index.mdx

@@ -108,7 +108,7 @@ This allows your services, functions, etc. to be built, tested and run independe
 
 It also significantly reduces the burden of writing project-specific Infrastructure as Code and ensures the application and its deployment automation don't drift apart as development continues.
 
-![Nitric Architecture](/docs/images/guides/custom-provider/custom-provider-architecture.png)
+![Nitric Architecture](/docs/images/docs/nitric-runtime-container-arch.png)
 
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