Rename 'Overview' to 'Project' in the contextual navigation at a project level

At a project level, rename 'Overview' to 'Project' in the contextual navigation.

Research to support this decision: ux-research#43 (closed)

cc @victorwu

changed title from Rename 'Overview' to 'Project' in the contextual navigation to Rename 'Overview' to 'Project' in the contextual navigation at a project level

changed the description

mentioned in issue ux-research#43 (closed)

@sarahod @sarrahvesselov : I'm changing this to ~"UX ready" unless that's incorrect.

@smcgivern @timzallmann : I'm setting this to ~Discussion . Guess it doesn't really matter since FE capacity will handle it either way?

added Plan [DEPRECATED] frontend labels

changed milestone to %10.8

I'm changing this to ~"UX ready" unless that's incorrect.

Yes, good to go. Doesn't need any design input.

mentioned in issue #43431 (moved)

assigned to @sarrahvesselov

Added myself as the go-to person for any UX questions that arise here.

added Stretch label

assigned to @okoghenun

added Deliverable and removed Stretch labels

mentioned in merge request !18295 (merged)

closed via merge request !18295 (merged)

mentioned in commit 7f01d49b

added devopsplan label