docs: fix note visibility on gpg 2.4+ usage (#29647)

docs/usage/self-hosted-configuration.md

@@ -968,11 +968,15 @@ uid                      Renovate Bot <renovate@whitesourcesoftware.com>
 sub   rsa4096 2021-09-10 [E]
 ```
 
+</details>
 <!-- prettier-ignore -->
+
 !!! note
 If you use GnuPG `v2.4` (or newer) to generate the key, then you must disable `AEAD` preferences.
 This is needed to allow Renovate to decrypt the encrypted values.
 
+<details><summary>key edit log</summary>
+
 ```bash
 ❯ gpg --edit-key renovate@whitesourcesoftware.com
 gpg> showpref