Increase self-hosted requirements to 32GB RAM (#14698)

Sentry self-hosted uses more than 28GB memory at the minimum right now,
this PR increases memory requirements to 32GB memory, also mentioning
16GB memory + 16GB swap is fine.

Author: aminvakil

develop-docs/self-hosted/index.mdx

@@ -31,10 +31,10 @@ We require at least **Docker 19.03.6** and **Docker Compose 2.32.2**. It is reco
 
 These are the minimum requirements:
 - 4 CPU Cores
-- 16 GB RAM
+- 16 GB RAM + 16 GB swap
 - 20 GB Free Disk Space
 
-We also recommend using a swapfile whenever applicable.
+We recommend using 32 GB RAM, but it works with 16 GB RAM + 16 GB swap as well. You will not notice a downside if your 16 GB swap is on a high speed disk.
 
 Depending on your traffic volume, you may want to increase your system specification to handle increased load. Although most of the times, this is not the case for self-hosted Sentry, since no matter how small or big the traffic is, you will most likely hover around the same used resources.