foreman: run the dev server with --restart and --debug

Dependencies

• [2] UDCNYQLV foreman: allow using substitutes by default
• [3] LEQWZ3IJ Use custom ports for postgres/hydra
• [4] KPWMZFHZ Add runHydra shell
• [5] PBW3KDC6 hydra-notify: Enable the prometheus exporter in development environments by default
• [6] PGSWHMH6 Run `hydra-dev-server`

Change contents

• replacement in foreman/start-hydra.sh at line 31
  [2.228]→[3.0:78](∅→∅),[3.423]→[3.0:78](∅→∅)
  − HYDRA_CONFIG=$(pwd)/.hydra-data/hydra.conf exec hydra-dev-server --port 63333
  [2.228]
  + HYDRA_CONFIG=$(pwd)/.hydra-data/hydra.conf exec hydra-dev-server --port 63333 --restart --debug