Deprecate the JS @opentelemetry/instrumentation-redis-4 package (#7279)

Author: trentm

data/registry/instrumentation-js-redis-4.yml

@@ -18,3 +18,8 @@ package:
   name: '@opentelemetry/instrumentation-redis-4'
   version: 0.49.0
 isFirstParty: false
+deprecated:
+  reason:
+    This instrumentation has been deprecated. Use
+    "@opentelemetry/instrumentation-redis", which (as of v0.50.0) includes
+    support for instrumenting `redis` v4.