Prometheus: Fix passing query timeout to upstream queries (#95104)
* remove queryTimeout from constructor
* use queryTimeout for range and instant queries
* remove comment
* remove default query timeout
* fix linting
(cherry picked from commit 78a00d09cd)
Co-authored-by: ismail simsek <ismailsimsek09@gmail.com>
This directory contains the code for the Grafana backend.
The contributor documentation for Grafana's backend is in /contribute/backend/README.md.