bump inst-jobs to bump cron scheduler fugit
bump inst-jobs to bump cron scheduler fugit

rufus-scheduler extracted its cron scheduler to a separate gem called
fugit, and since inst-jobs only used rufus-scheduler for cron parsing
functionality, it switched dependencies directly to fugit as well.

Change-Id: I493d7b690d94513fd4e1d9e96d678759290c2a8c
Reviewed-on: https://gerrit.instructure.com/212924
Tested-by: Jenkins
Reviewed-by: Cameron Matheson <1d572acbfa68c7c6e541c7b840d6b622e5c0dc91@instructure.com>
QA-Review: Simon Williams <088e16a1019277b15d58faf0541e11910eb756f6@instructure.com>
Product-Review: Simon Williams <088e16a1019277b15d58faf0541e11910eb756f6@instructure.com>

instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,djbender/canvas-lms