feat(redis): Allow configuring Redis pools individually #14582

Job	Run time
Lint	1m 35s
Setup build metadata	1s
Lint Rust Default Features	1m 2s
Test (macos-latest)	1m 20s
Test All Features (ubuntu-latest)	3m 45s
Integration Tests	12m 4s
Test (windows-latest)	2m 57s
Test Python	53s
Build Relay Binary (relay, x86_64-unknown-linux-gnu)	7m 45s
Build Docker Image (relay)	27s
Sentry-Relay Integration Tests	10m 24s
Publish Relay to DockerHub	0s
self-hosted-end-to-end	13m 7s
Publish Relay to GCR	0s
Upload build artifacts to gocd	0s
	55m 20s

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