chore(deps): bump xlsxwriter from 3.1.7 to 3.2.0 in /backend/requirements

[dependabot[bot]]

Bumps xlsxwriter from 3.1.7 to 3.2.0.

Changelog

Sourced from xlsxwriter's changelog.

Release 3.2.0 - February 17 2024

This is the 10th anniversary release of XlsxWriter. Version 0.0.1 was released on February 17 2013. Since then there have been 167 releases, 25,000 lines of code, 1600 test cases, 700 pages of documentation, 71,000 users on GitHub, 50 contributors, 1000 closed issues and 150 million yearly downloads. Thanks to everyone who has contributed code, given feedback or just used the library.

• Add :func:embed_image() worksheet method to embed images in cells. This is equivalent to Excel's menu item to insert an image using the option to "Place in Cell". It scales images automatically to the dimensions of the cell.

  This has been a frequently requested feature for people creating spreadsheets with images for product items. See also :ref:ex_embedded_images.

• Fix issue where a horizontal alignment format was ignored if indentation was also set.

  :issue:1041.

Release 3.1.9 - October 19 2023

• Add fix for errant XML tag in chart leader lines for non-Pie charts.

  :issue:1019 and :feature:1012.

Release 3.1.8 - October 15 2023

• Add support for formatting the data label in chart trendlines.

  :feature:750.

Commits

• f5f7ecd Prep for release 3.2.0
• 97dd7c9 package: update copyright year
• 72d1297 docs: add docs and example for embed_image()
• 85823fc github: add 3.12 to the test matrix
• 7b0c6e2 worksheet: add support for embedded images
• 3dbed61 utility: refactor get_image_properties() into utility.py
• 55e8534 Update Changes file (#1036)
• 181feab docs: remove PDF doc build and output
• cedf448 worksheet: fix minor lint formatting issue
• e53e190 format: fix identation and alignment property mismatch
• Additional commits viewable in compare view

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