fix

lib/checks.sh

@@ -1,12 +1,5 @@
 # Preflight checks. Fail loud and early with actionable messages.
 
-check_bash() {
-    if ((BASH_VERSINFO[0] < 4)); then
-        ui_err "$(t err_bash_version "$BASH_VERSION")"
-        exit 1
-    fi
-}
-
 check_docker() {
     if ! command -v docker >/dev/null 2>&1; then
         ui_err "$(t err_need_docker)"; exit 1
@@ -38,7 +31,6 @@ is_port_free() {
 }
 
 preflight() {
-    check_bash
     check_docker
     check_openssl
     ui_ok "$(t preflight_ok)"