Fix declarative flake builds

Dependencies

• [2] 6WRGCITD Enable declarative projects.
• [*] OOQ2D3KC * Refactoring: move fetchInput out of hydra_scheduler into a separate

Change contents

• edit in src/lib/Hydra/Helper/AddBuilds.pm at line 33
  [2.945]

  [2.945]
  + type

  + flake