👷 ci(circleci): update release workflow configuration

- add remove_ssh_key parameter to workflows configuration
- enhance security settings for release process

Signed-off-by: Jeremiah Russell <jerry@jrussell.ie>

.circleci/release.yml

@@ -733,3 +733,4 @@ workflows:
           when_cargo_release: false
           when_use_workspace: false
           pcu_update_prlog: true
+          remove_ssh_key: false