fix: add vega-datasets package to framework examples (#3405)

examples/frameworks/fastapi-github/main.py

@@ -7,6 +7,7 @@
 #     "requests",
 #     "pydantic",
 #     "jinja2",
+#     "vega-datasets==0.9.0",
 # ]
 # ///
 import tempfile

examples/frameworks/fastapi/main.py

@@ -10,6 +10,7 @@
 #     "python-multipart",
 #     "passlib",
 #     "pydantic",
+#     "vega-datasets==0.9.0",
 # ]
 # ///
 from typing import Callable, Coroutine

examples/frameworks/fasthtml/main.py

@@ -3,6 +3,7 @@
 # dependencies = [
 #     "python-fasthtml",
 #     "marimo",
+#     "vega-datasets==0.9.0",
 # ]
 # ///
 from fasthtml.common import *

examples/frameworks/flask/main.py

@@ -7,6 +7,7 @@
 #     "python-dotenv",
 #     "flask-session",
 #     "werkzeug",
+#     "vega-datasets==0.9.0",
 # ]
 # ///
 from flask import Flask, render_template, request, redirect, url_for, session