Use python-pip instead of python3-pip

Author: radarhere

.github/workflows/test-mingw.yml

@@ -68,7 +68,7 @@ jobs:
               mingw-w64-x86_64-openjpeg2 \
               mingw-w64-x86_64-python3-numpy \
               mingw-w64-x86_64-python3-olefile \
-              mingw-w64-x86_64-python3-pip \
+              mingw-w64-x86_64-python-pip \
               mingw-w64-x86_64-python-pytest \
               mingw-w64-x86_64-python-pytest-cov \
               mingw-w64-x86_64-python-pytest-timeout \