api.SystemUser should have permission to run webhook playbooks

[yashmehrotra]

"stacktrace":string"Oops: access denied: run permission required --- at /app/playbook/playbook.go:159 Run() --- at /app/playbook/webhook.go:71 HandleWebhook() --- at /go/pkg/mod/github.com/labstack/echo/[email protected]/echo.go:587 Echo.add.func1() --- at /app/auth/clerk_client.go:73 ClerkHandler.Session-fm.ClerkHandler.Session.func1() --- at /app/echo/serve.go:259 ServerCache.func1() --- at /go/pkg/mod/github.com/samber/[email protected]/middleware.go:127 NewSlogLogger.NewWithConfig.func2.1() --- at /go/pkg/mod/github.com/labstack/echo/[email protected]/middleware/cors.go:203 CORSWithConfig.func1.1() --- at /go/pkg/mod/github.com/labstack/[email protected]/echoprometheus/prometheus.go:245 MiddlewareConfig.ToMiddleware.func3.1() --- at /app/echo/serve.go:80 New.func1.1() --- at /go/pkg/mod/go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/[email protected]/echo.go:92 Middleware.func1.1()"