Add missing example pyproject file for test

Author: wk9874

tests/example_data/pyproject.toml

@@ -0,0 +1,11 @@
+[project]
+name = "example-repo"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.13"
+dependencies = [
+    "numpy>=2.2.0",
+    "pandas>=2.2.3",
+    "requests>=2.32.3",
+]