CI: Attempt to fix CI on 32 bit linux

[wheel build]

Let's try only installing orjson in the mypy job.

Author: ngoldbaum

.github/workflows/mypy.yml

@@ -60,6 +60,9 @@ jobs:
     - name: Install dependencies
       run: |
         pip install -r requirements/build_requirements.txt
+        # orjson makes mypy faster but the default requirements.txt
+        # can't install it because orjson doesn't support 32 bit Linux
+        pip install orjson
         pip install -r requirements/test_requirements.txt
     - name: Build
       run: |

requirements/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[faster-cache]==1.13.0; platform_python_implementation != "PyPy"
+mypy==1.13.0; platform_python_implementation != "PyPy"
 typing_extensions>=4.2.0
 # for optional f2py encoding detection
 charset-normalizer