update requirements

requirements.txt

-numpy==1.23.3
-scipy==1.9.2
-setuptools==65.5.1
-pandas==1.5.3
-julian==0.14
-astropy==5.1
-tqdm==4.59.0
-galsim==2.4.9
-matplotlib==3.3.1
+numpy~=1.23.3
+scipy~=1.9.2
+setuptools~=65.5.1
+pandas~=1.5.3
+julian~=0.14
+astropy~=5.1
+tqdm~=4.59.0
+galsim~=2.4.9
+matplotlib~=3.3.1