fix some dependencies version for setup bug

install.sh

-python setup.py develop
+conda install numpy==1.26.4
+conda install cython==3.0.6
+conda install mpi4py==3.1.6
 pip install -e .

setup.py

@@ -53,10 +53,12 @@ setup(
     license_files="LICENSE",
     packages=["SpecDisperser", "SpecDisperser/disperse_c"],
     install_requires=[
-        # 'galsim',
+        'galsim',
         # 'numpy',
-        # 'scipy',
-        # 'astropy',
+        'scipy',
+        'astropy',
+        'matplotlib',
+        'photutils'
     ],
-    ext_modules=cythonize(extensions),
+    ext_modules=cythonize(extensions, language_level="3"),
 )