Update progress bar wording

[gcsecsey]

Related issues

• Related to STU-1053
• Follow up to 197117-ghe-Automattic/wpcom

Proposed Changes

• Update the progress bar wording to not indicate finished action

Testing Instructions

• Check out this branch and start Studio with npm start
• Select "Add Site" -> "Start with Blueprint" -> select a Blueprint
• Check that on the progressbar, the copy is updated

Pre-merge Checklist

• Have you checked for TypeScript, React or other console errors?

[github-actions]

📊 Performance Test Results

Comparing 10b4ebe vs trunk

site-editor

Metric	trunk	10b4ebe	Diff	Change
load	9467.00 ms	8422.00 ms	-1045.00 ms	🟢 -11.0%

site-startup

Metric	trunk	10b4ebe	Diff	Change
siteCreation	24690.00 ms	22804.00 ms	-1886.00 ms	🟢 -7.6%
siteStartup	9049.00 ms	10105.00 ms	+1056.00 ms	🔴 11.7%

---

Results are median values from multiple test runs.

Legend: 🟢 Improvement (faster) | 🔴 Regression (slower) | ⚪ No change

[katinthehatsite]

I have three suggestions to avoid having two words with ing at the end:

Finishing up with Blueprint or maybe Completing the Blueprint or Wrapping up the Blueprint installation or something along these lines. What do you think?