fix: fix key-pair creation in e2e script (#198)

Author: xoxys

test/e2e/e2e.sh

@@ -194,7 +194,7 @@ setup_ssh_key() {
   if ! stackit key-pair describe "$SSH_KEY_NAME" --project-id "$PROJECT_ID" &>/dev/null; then
     log "No existing key found. Creating..."
     # The '@' prefix tells the CLI to read the content from the file
-    if ! stackit key-pair create "$SSH_KEY_NAME" -y \
+    if ! stackit key-pair create --public-key "$SSH_KEY_NAME" -y \
       --project-id "$PROJECT_ID" \
       --public-key "@$HOME/.ssh/$SSH_KEY_NAME.pub"; then
       log_error "Failed to create SSH key '$SSH_KEY_NAME' in STACKIT."