fix: correct region tag formatting

[Xmasreturns]

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Fixes #<issue_number_goes_here> 🦕

[snippet-bot]

Here is the summary of changes.

You are about to add 4 region tags.

• samples/snippets/sample_pagination.py:17, tag compute_images_list_page
• samples/snippets/sample_pagination.py:18, tag compute_images_list
• samples/snippets/sample_pagination.py:24, tag compute_images_list
• samples/snippets/sample_pagination.py:48, tag compute_images_list_page

You are about to delete 4 region tags.

• samples/snippets/sample_pagination.py:17, tag compute_images_list_page
• samples/snippets/sample_pagination.py:18, tag compute_images_list
• samples/snippets/sample_pagination.py:24, tag compute_images_list
• samples/snippets/sample_pagination.py:48, tag compute_images_list_page

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[FrodoTheTrue]

👍