MM-59934: Add Redis to CI and other improvements (#28164)

- Update library version.
- Added MaxFlush delay to help reduce CPU usage.
- Fall back to LRU cache for the caches which use SCAN.
- Added mattermost-redis and running for all api layer
tests in Postgres.

https://mattermost.atlassian.net/browse/MM-59934
```release-note
NONE
```

server/go.mod

@@ -55,7 +55,7 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.19.1
 	github.com/prometheus/client_model v0.6.1
-	github.com/redis/rueidis v1.0.41
+	github.com/redis/rueidis v1.0.45
 	github.com/reflog/dateconstraints v0.2.1
 	github.com/rs/cors v1.11.0
 	github.com/rudderlabs/analytics-go v3.3.3+incompatible
@@ -225,7 +225,7 @@ require (
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
 	golang.org/x/mod v0.19.0 // indirect
-	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/sys v0.24.0 // indirect
 	golang.org/x/text v0.16.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240722135656-d784300faade // indirect
 	google.golang.org/grpc v1.65.0 // indirect