Vault docs: fix 404 (#1086)

- Update Get Vault to correct Recommended Patterns links

Author: brianshumate

content/vault/v1.19.x/content/docs/get-vault/index.mdx

@@ -47,5 +47,5 @@ production cluster deployment:
 
 - [Get started: Install Vault](/vault/tutorials/getting-started/getting-started-install)
 - [Day One Preparation](/vault/tutorials/day-one-raft)
-- [Recommended Patterns](/vault/tutorials/recommended-patterns)
+- [Recommended Patterns](/vault/docs/internals/recommended-patterns)
 - [Start the server in dev mode](/vault/tutorials/getting-started/getting-started-dev-server)

content/vault/v1.20.x/content/docs/get-vault/index.mdx

@@ -47,5 +47,5 @@ production cluster deployment:
 
 - [Get started: Install Vault](/vault/tutorials/getting-started/getting-started-install)
 - [Day One Preparation](/vault/tutorials/day-one-raft)
-- [Recommended Patterns](/vault/tutorials/recommended-patterns)
+- [Recommended Patterns](/vault/docs/internals/recommended-patterns)
 - [Start the server in dev mode](/vault/tutorials/getting-started/getting-started-dev-server)