can handle a bunch of images at once

Runs for #1630 👩‍💻‍ Show benchmark changes in relative differences, consider no change if |<| 10%

• 1757dbf — Run #77837267617 4s on webkit Merge branch 'main' into benchmark-relative-change by Gwenn Le Bihan 2 hours ago
• 1757dbf — Run #77837267624 4s on chromium Merge branch 'main' into benchmark-relative-change by Gwenn Le Bihan 2 hours ago
• 92595fc — Run #77775192692 4s on chromium Update playwright.yml by Gwenn Le Bihan 14 hours ago
• 92595fc — Run #77775192696 4s on webkit Update playwright.yml by Gwenn Le Bihan 14 hours ago
• 7976a3e — Run #77767467806 4s on webkit 👩‍💻‍ Show benchmark changes in relative differences, consider no change if |<| 10% by Gwenn Le Bihan 15 hours ago
• 7976a3e — Run #77767467795 4s on chromium 👩‍💻‍ Show benchmark changes in relative differences, consider no change if |<| 10% by Gwenn Le Bihan 15 hours ago
• 5c4f919 — Run #77733293878 5s on webkit 👩‍💻‍ Show benchmark changes in relative differences, consider no change if |<| 10% by Gwenn Le Bihan 20 hours ago
• 5c4f919 — Run #77733293789 4s on chromium 👩‍💻‍ Show benchmark changes in relative differences, consider no change if |<| 10% by Gwenn Le Bihan 20 hours ago
• ea3b517 — Run #77710933976 4s on webkit 👩‍💻‍ Show benchmark changes in relative differences, consider no change if |<| 10% by Gwenn Le Bihan 23 hours ago
• ea3b517 — Run #77710933909 4s on chromium 👩‍💻‍ Show benchmark changes in relative differences, consider no change if |<| 10% by Gwenn Le Bihan 23 hours ago