docs: generate new docs

Author: DanielleMaywood

docs/env-variables.md

@@ -28,6 +28,7 @@
 | `--git-username` | `ENVBUILDER_GIT_USERNAME` |  | The username to use for Git authentication. This is optional. |
 | `--git-password` | `ENVBUILDER_GIT_PASSWORD` |  | The password to use for Git authentication. This is optional. |
 | `--git-ssh-private-key-path` | `ENVBUILDER_GIT_SSH_PRIVATE_KEY_PATH` |  | Path to an SSH private key to be used for Git authentication. |
+| `--git-ssh-private-key-base64` | `ENVBUILDER_GIT_SSH_PRIVATE_KEY_BASE64` |  | SSH private key to be used for Git authentication. |
 | `--git-http-proxy-url` | `ENVBUILDER_GIT_HTTP_PROXY_URL` |  | The URL for the HTTP proxy. This is optional. |
 | `--workspace-folder` | `ENVBUILDER_WORKSPACE_FOLDER` |  | The path to the workspace folder that will be built. This is optional. |
 | `--ssl-cert-base64` | `ENVBUILDER_SSL_CERT_BASE64` |  | The content of an SSL cert file. This is useful for self-signed certificates. |