Updating stage and group tags for Release groups

Why is this change being made?

This change cleans up the category details for groups in the CI stage on the categories page (https://about.gitlab.com/handbook/product/categories/)

Related MR: !44945 (merged)

How will this merge request impact page speed?

Does this MR meet the acceptance criteria?

Assign to DRI

• Did you assign this change to the correct DRI of the page or information you are changing?

Conformity

• Added description to this MR explaining the reasons for the proposed change, per say-why-not-just-what