Enforce numpy >= 1.21 when possible

This enforcement is due to the `numpy` vulnerability CVE-2021-33430.

Author: molinav

CHANGELOG.md

@@ -7,6 +7,10 @@ since version 1.3.0.
 
 ## [Unreleased]
 
+### Fixed
+- Enforce dependency `numpy >= 1.21` for Python >= 3.7 due to `numpy`
+  vulnerability CVE-2021-33430.
+
 ## [1.3.1] - 2022-01-22
 
 ### Added

packages/basemap/requirements.txt

@@ -9,10 +9,7 @@ numpy >= 1.11, < 1.12; python_version == "3.3"
 numpy >= 1.11, < 1.17; python_version == "3.4"
 numpy >= 1.16, < 1.19; python_version == "3.5"
 numpy >= 1.16, < 1.20; python_version == "3.6"
-numpy >= 1.19, < 1.22; python_version == "3.7"
-numpy >= 1.19, < 1.23; python_version == "3.8"
-numpy >= 1.19, < 1.23; python_version == "3.9"
-numpy >= 1.21, < 1.23; python_version >= "3.10"
+numpy >= 1.21, < 1.23; python_version >= "3.7"
 
 cycler < 0.11; python_version == "3.2"
 pyparsing >= 1.5, < 2.4.1; python_version == "2.6"