fix: Convert encryption to aws_s3_bucket_server_side_encryption_configuration resource for all buckets

[halfb00t]

Prerequisites

• [x] I am running the latest version
• [x] I checked the documentation and found no answer
• [x] I checked to make sure that this issue has not already been filed

Expected Behavior

Resource aws_s3_bucket_server_side_encryption_configuration is set for all buckets. No warnings

Current Behavior

during terraform apply I get this warning:

│ Warning: Argument is deprecated
│
│   with aws_s3_bucket.elastic_stack,
│   on eks-elk.tf line 797, in resource "aws_s3_bucket" "elastic_stack":
│  797: resource "aws_s3_bucket" "elastic_stack" {
│
│ Use the aws_s3_bucket_server_side_encryption_configuration resource instead
│
│ (and 5 more similar warnings elsewhere)

Steps to Reproduce

1. pull latest code
2. prepare config
3. run apply