Extract common qa jobs and add nightly job

Fix rules reference

Reduce duplication in gdk pipeline

Add nightly job trigger

Disable ee omnibus triggers

Add qa-common folder

Extract post test stage jobs to common

Disable knapsack in nightly

Add default workflow rules for nightly pipeline

Move download knapsack job definition

Remove manual knapsack report name override

Remove unnecessary jobs and rules

Fix nightly pipeline name

Add default git strategy variables

Fix update_from_edition parameter

Add missing gitlab semver and qa cache key variables for non dynamic pipelines

Remove duplicate environment variable

Fix relate test failures when

Set FOSS_ONLY explicitly for omnibus-env-ce job

Add notify-failure jobs

Fix trigger-omnibus-env-ce job

Add common qa-trigger base job