package.json: Update qunit package dependency
package.json: Update qunit package dependency

Closes #11287
cockpit-project/cockpit,mvollmer/cockpit,cockpit-project/cockpit,deryni/cockpit,deryni/cockpit,martinpitt/cockpit,garrett/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,garrett/cockpit,deryni/cockpit,garrett/cockpit,cockpituous/cockpit,martinpitt/cockpit,cockpituous/cockpit,cockpituous/cockpit,mvollmer/cockpit,mvollmer/cockpit,garrett/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,garrett/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,deryni/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,deryni/cockpit,cockpituous/cockpit,deryni/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,cockpit-project/cockpit,deryni/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,martinpitt/cockpit