Support AWS SSE-KMS in backups

See merge request gitlab-org/gitlab!64765

AWS supports three different modes for encrypting S3 data:

1. Server-Side Encryption with Amazon S3-Managed Keys (SSE-S3)
2. Server-Side Encryption with Customer Master Keys (CMKs) Stored in AWS
Key Management Service (SSE-KMS)
3. Server-Side Encryption with Customer-Provided Keys (SSE-C)

Previously, SSE-S3 and SSE-C were supported via the
`backup.upload.encryption` and `backup.upload.encryption_key`
configuration options.

SSE-KMS was previously not supported in backups because there was no way
to specify which customer-managed key to use. However, we did support
SSE-KMS with consolidated object storage enabled for other CI artifacts,
attachments, LFS, etc. Note that SSE-C is NOT supported here.

In consolidated object storage, the `storage_options` Hash provides the
`server_side_encryption` and `server_side_encryption_kms_key_id`
parameters that allow admins to configure SSE-KMS. We reuse this
configuration in backups to support SSE-KMS.

Relates to #338764

Changelog: added

DevOps Adoption - Reduce page refresh rate

See merge request gitlab-org/gitlab!69056

Refactor database task dir for spec

See merge request gitlab-org/gitlab!69160

Removed lock references

See merge request gitlab-org/gitlab!69016

Add Geo replication for Pages (no verification) [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!68662

Update formatting of comment for line-length

See merge request gitlab-org/gitlab!69297

Adds clarity to Registration Features

See merge request gitlab-org/gitlab!69255

Update the DRI for CI/CD docs

See merge request gitlab-org/gitlab!69275

Added links to network per-build info

See merge request gitlab-org/gitlab!69166

Stop environment before deleting

See merge request gitlab-org/gitlab!69271

Docs: change default branch documentation to state minimum required role

See merge request gitlab-org/gitlab!69162

Add missing docs link  in ReadingLevel Vale rule

See merge request gitlab-org/gitlab!69291

Add deprecations page in docs

See merge request gitlab-org/gitlab!66770

This update adds a new deprecation page
that is auto generated from yaml files
via a new Rake job

We no longer care about the age of the data
when we determine if data should be fetched.

Changelog: fixed
EE: true

Clean up :graphql_board_list feature flag [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!67815

Changelog: other

Update Gitaly version

See merge request gitlab-org/gitlab!69293

[ci skip]

Fix Rubocop Graphql/Description offenses

See merge request gitlab-org/gitlab!69175

[ci skip]

Add ability to easily sanitize attributes

See merge request gitlab-org/gitlab!68442