Merge pull request #8242 from open-webui/dependabot/pip/backend/dev/fpdf2-2.8.2

build(deps): bump fpdf2 from 2.7.9 to 2.8.2 in /backend

backend/requirements.txt

@@ -55,7 +55,7 @@ einops==0.8.0
 
 ftfy==6.2.3
 pypdf==4.3.1
-fpdf2==2.7.9
+fpdf2==2.8.2
 pymdown-extensions==10.11.2
 docx2txt==0.8
 python-pptx==1.0.0