Update setup.py, requirements.txt

requirements.txt

@@ -4,3 +4,4 @@ astropy==5.3.4
 pysynphot==2.0.0
 hcipy==0.6.0
 setuptools==68.2.2
+pandas==2.2.1

setup.py

@@ -20,6 +20,6 @@ setuptools.setup(
     package_dir={'csst_cpic_sim': 'csst_cpic_sim'},
     include_package_data=False,
 
-    install_requires=['numpy', 'scipy', 'astropy', 'pysynphot', 'hcipy'],
+    install_requires=['numpy', 'scipy', 'astropy', 'pysynphot', 'hcipy', 'pandas'],
     python_requires='>=3.8',
 )