Bump fpdf2 from 2.8.2 to 2.8.3 (securefederatedai#1655)

Bumps [fpdf2](https://github.com/py-pdf/fpdf2) from 2.8.2 to 2.8.3.
- [Release notes](https://github.com/py-pdf/fpdf2/releases)
- [Changelog](https://github.com/py-pdf/fpdf2/blob/master/CHANGELOG.md)
- [Commits](py-pdf/fpdf2@2.8.2...2.8.3)

---
updated-dependencies:
- dependency-name: fpdf2
  dependency-version: 2.8.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

test-requirements.txt

@@ -8,7 +8,7 @@ pytest-cov>=2.10.0
 pytest-mock==3.14.0
 defusedxml==0.7.1
 matplotlib==3.10.1
-fpdf2==2.8.2
+fpdf2==2.8.3
 papermill==2.6.0
 pyfakefs==5.8.0
 torch==2.7.0