CI: fix a regression due to changes in pip

Author: valgur

.github/workflows/build.yml

@@ -44,6 +44,10 @@ jobs:
         with:
           python-version: '3.12'
 
+      - name: Allow system-wide pip installs on macOS
+        if: runner.os == 'macOS'
+        run: echo 'break-system-packages = true' > ~/.pip/pip.conf
+
       - name: Install cibuildwheel
         run: python -m pip install --upgrade cibuildwheel
 

.github/workflows/publish.yml

@@ -14,6 +14,10 @@ jobs:
         with:
           python-version: '3.12'
 
+      - name: Allow system-wide pip installs on macOS
+        if: runner.os == 'macOS'
+        run: echo 'break-system-packages = true' > ~/.pip/pip.conf
+
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -66,6 +70,10 @@ jobs:
         with:
           python-version: '3.12'
 
+      - name: Allow system-wide pip installs on macOS
+        if: runner.os == 'macOS'
+        run: echo 'break-system-packages = true' > ~/.pip/pip.conf
+
       - name: Download test data
         run: |
           python -m pip install pytest requests