Minor change on Image Collage for committee page

[JiangLong2019]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):

Fixes #135

Test URLs:

• Original: https://www.sunstar-foundation.org/en/awards/award-of-distinction-dental-hygienists/committee

• Before: https://main--sunstar-foundation--hlxsites.hlx.live/en/awards/award-of-distinction-dental-hygienists/committee

• After: https://committee-page--sunstar-foundation--hlxsites.hlx.live/en/awards/award-of-distinction-dental-hygienists/committee

• [x] New variations introduced in this PR

Variation Name	Documentation
Image Collage (boxy-col-1, align-left)

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed. In case there are problems, just click a checkbox below to rerun the respective action.

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Commits

* [7899252](https://github.com/hlxsites/sunstar-foundation/pull/136/commits/7899252f39fd77cc1fa52f356d6ae81f5c948bfd) :white_check_mark: (latest) * [f847870](https://github.com/hlxsites/sunstar-foundation/pull/136/commits/f847870b831dbae3a8b04efc346dd6f7549fd4fd) :white_check_mark:

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/en/awards/award-of-distinction-dental-hygienists/committee

[github-actions[bot]]

:small_orange_diamond: 1 visual difference detected

• /sidekick/blocks/collage (main vs branch)
  Expected an image 1280px by 8741px, received 1280px by 8688px.

The diff images are attached in the artifact