ci: install bip32 from source and tame MacOS

Install python-bip32 from source to avoid
#41 from happening again.

Unfortunately building coincurve on MacOS keeps failing for esoteric
reasons and i don't have infinite time, so on MacOS first install
coincurve wheels before installing python-bip32.

Author: darosior

.github/workflows/python-package.yml

@@ -24,14 +24,20 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Installation (deps and package)
+    - name: Install pip and setuptools
       run: |
         python -m pip install --upgrade pip
-        pip install pytest
-        pip install -r requirements.txt -r tests/requirements.txt
-        python setup.py install
+        pip install setuptools
+    - name: On MacOS, install coincurve's dependencies and install it from wheels  # FIXME: installing from source fails for some reason.
+      if: matrix.os == 'macos-latest' || matrix.os == 'macos-13'
+      run: |
+        brew install autoconf automake libffi libtool pkg-config python
+        pip install -r requirements.txt
+    - name: Install python-bip32 from source
+      run: python setup.py install
     - name: Test with pytest
       run: |
+        pip install -r tests/requirements.txt
         pytest -vvv
 
   linter: