s/bookkeeper/kargo-render/g

[krancour]

This completes the rebrand from Bookkeeper to Kargo Render.

This doesn't fix anything else Kargo Render related.

There are no functional changes in this PR.

[netlify]

✅ Deploy Preview for docs-kargo-akuity-io canceled.

Name	Link
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[codecov]

Codecov Report

Attention: 13 lines in your changes are missing coverage. Please review.

Comparison is base (4b71589) 50.77% compared to head (d9780f5) 50.77%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #983   +/-   ##
=======================================
  Coverage   50.77%   50.77%           
=======================================
  Files         104      104           
  Lines        7573     7573           
=======================================
  Hits         3845     3845           
  Misses       3581     3581           
  Partials      147      147           

Files	Coverage Δ
api/v1alpha1/freight_types.go	92.85% <ø> (ø)
api/v1alpha1/stage_types.go	65.11% <ø> (ø)
internal/controller/promotion/generic_git.go	100.00% <100.00%> (ø)
internal/controller/promotion/git.go	50.00% <ø> (ø)
internal/controller/promotion/render.go	96.00% <100.00%> (ø)
internal/controller/promotion/root.go	100.00% <100.00%> (ø)
internal/controller/warehouses/git.go	74.35% <ø> (ø)
internal/controller/warehouses/warehouses.go	59.30% <ø> (ø)
internal/webhook/stage/webhook.go	95.58% <100.00%> (ø)
internal/controller/promotions/promotions.go	36.76% <50.00%> (ø)
... and 1 more

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[alexmt]

LGTM