chore: add fpdf2 dependency to langbuilder packages

Add fpdf2==2.8.2 to both langbuilder and langbuilder-base pyproject.toml
to match the version already present in openwebui.

Author: andreil-spec

langbuilder/pyproject.toml

@@ -58,6 +58,7 @@ dependencies = [
     "youtube-transcript-api==0.6.3",
     "Markdown==3.7",
     "weasyprint",
+    "fpdf2==2.8.2",
     "upstash-vector==0.6.0",
     "GitPython==3.1.43",
     "kubernetes==31.0.0",

langbuilder/src/backend/base/pyproject.toml

@@ -94,6 +94,7 @@ dependencies = [
     "composio-langchain==0.7.20",
     "pymysql==1.1.1",
     "weasyprint",
+    "fpdf2==2.8.2",
     "google-api-python-client>=2.100.0",
     "google-auth>=2.23.0",
 ]