[v11.3.x] Docs: Adding info on decrypting encrypted certificates (#100156)

docs/sources/setup-grafana/configure-grafana/_index.md

@@ -272,6 +272,10 @@ Path to the certificate file (if `protocol` is set to `https` or `h2`).
 
 Path to the certificate key file (if `protocol` is set to `https` or `h2`).
 
+### cert_pass
+
+Optional. Password to decrypt encrypted certificates.
+
 ### certs_watch_interval
 
 Controls whether `cert_key` and `cert_file` are periodically watched for changes.

docs/sources/setup-grafana/set-up-https.md

@@ -244,6 +244,8 @@ To configure Grafana HTTPS and restart Grafana, complete the following steps.
 
    > **Note**: The standard port for SSL traffic is 443, which you can use instead of Grafana's default port 3000. This change might require additional operating system privileges or configuration to bind to lower-numbered privileged ports.
 
+1. Optional. From Grafana v11.2, edit the `cert_pass` configuration option with the decryption password if you are using encrypted certificates.
+
 1. [Restart the Grafana server]({{< relref "./start-restart-grafana#linux" >}}) using `systemd`, `init.d`, or the binary as appropriate for your environment.
 
 ## Troubleshooting