TYP,CI: bump mypy from 1.5.1 to 1.8.0

Author: BvB93

Diff for: environment.yml

@@ -26,7 +26,7 @@ dependencies:
   - hypothesis
   # For type annotations
   - typing_extensions>=4.2.0  # needed for python < 3.10
-  - mypy=1.5.1
+  - mypy=1.8.0
   # For building docs
   - sphinx>=4.5.0
   - sphinx-design

Diff for: test_requirements.txt

@@ -14,7 +14,7 @@ cffi; python_version < '3.10'
 # For testing types. Notes on the restrictions:
 # - Mypy relies on C API features not present in PyPy
 # NOTE: Keep mypy in sync with environment.yml
-mypy==1.5.1; platform_python_implementation != "PyPy"
+mypy==1.8.0; platform_python_implementation != "PyPy"
 typing_extensions>=4.2.0
 # for optional f2py encoding detection
 charset-normalizer