⬆(deps): Bump xlsxwriter from 3.1.2 to 3.1.6

Bumps [xlsxwriter](https://github.com/jmcnamara/XlsxWriter) from 3.1.2 to 3.1.6.
- [Changelog](https://github.com/jmcnamara/XlsxWriter/blob/main/Changes)
- [Commits](jmcnamara/XlsxWriter@RELEASE_3.1.2...RELEASE_3.1.6)

---
updated-dependencies:
- dependency-name: xlsxwriter
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -29,4 +29,4 @@ channels-redis==4.1.0
 bleach[css]==6.0.0
 Pillow==10.0.0
 uuid==1.30
-XlsxWriter==3.1.2
+XlsxWriter==3.1.6