setup.py: fix dependencies and require numpy>=1.21

Author: miltondp

libs/ccc/__init__.py

@@ -1,2 +1,2 @@
 # Remember to change also setup.py with the version here
-__version__ = "0.1.6"
+__version__ = "0.1.7"

setup.py

@@ -11,7 +11,7 @@
 
 setuptools.setup(
     name="ccc-coef",
-    version="0.1.6",  # remember to change libs/ccc/__init__.py file also
+    version="0.1.7",  # remember to change libs/ccc/__init__.py file also
     author="Milton Pividori",
     author_email="[email protected]",
     description="The Clustermatch Correlation Coefficient (CCC) is a highly-efficient, next-generation not-only-linear correlation coefficient that can work on numerical and categorical data types.",
@@ -30,7 +30,8 @@
     ],
     python_requires=">=3.9",
     install_requires=[
-        "numpy",
+        # numpy.typing is only available in numpy>=1.21.0
+        "numpy>=1.21.0",
         "scipy",
         "numba",
     ],