Don't let chartjs skip tags for the xaxis

I'm not too sure about this request:

• #51 (closed)

Chartjs removes labels for points currently. This experiment removes that restriction and places every label

Can be seen here:

• https://x-axis-all-points-review.quality-dashboard.gitlap.com/groups/gitlab-org/bugs_by_team

And compared with here:

• https://quality-dashboard.gitlap.com/groups/gitlab-org/bugs_by_team

Mention #51 (closed)

/cc @meks