Add --break-system-packages flag to fix macos installation

Author: EgorPopelyaev

.github/workflows/release-reusable-rc-build.yml

@@ -87,7 +87,7 @@ jobs:
       - name: Install pgpkkms
         run: |
           # Install pgpkms that is used to sign built artifacts
-          python3 -m pip install "pgpkms @ git+https://github.com/paritytech-release/pgpkms.git@e7f806f99e9be5c52f0b4a536b7d4ef9c3e695ed"
+          python3 -m pip  install "pgpkms @ git+https://github.com/paritytech-release/pgpkms.git@e7f806f99e9be5c52f0b4a536b7d4ef9c3e695ed" --break-system-packages
           which pgpkms
 
       - name: Checkout sources