Update build constraints and requirements for aarch64 wheels (#722)

* Extend build constraints for aarch64

* Skip mypy for aarch64

Author: adrianeboyd

build-constraints.txt

@@ -1,6 +1,8 @@
 # build version constraints for use with wheelwright + multibuild
-numpy==1.15.0; python_version<='3.7'
-numpy==1.17.3; python_version=='3.8'
+numpy==1.15.0; python_version<='3.7' and platform_machine!='aarch64'
+numpy==1.19.2; python_version<='3.7' and platform_machine=='aarch64'
+numpy==1.17.3; python_version=='3.8' and platform_machine!='aarch64'
+numpy==1.19.2; python_version=='3.8' and platform_machine=='aarch64'
 numpy==1.19.3; python_version=='3.9'
 numpy==1.21.3; python_version=='3.10'
 numpy; python_version>='3.11'

requirements.txt

@@ -22,7 +22,7 @@ pytest-cov>=2.7.0,<2.8.0
 coverage>=5.0.0,<6.0.0
 mock>=2.0.0,<3.0.0
 flake8>=3.5.0,<3.6.0
-mypy>=0.901,<0.960
+mypy>=0.901,<0.960; platform_machine!='aarch64'
 types-mock>=0.1.1
 types-contextvars>=0.1.2; python_version < "3.7"
 types-dataclasses>=0.1.3; python_version < "3.7"