fix(ci): update requirements.lock and macos build script

- Regenerate requirements.lock using pip-compile to match CI expectation
- Fix brew install command on macOS to handle existing package
- (poetry.lock was already updated in previous commit)

Co-authored-by: PR0M3TH3AN <[email protected]>

.github/workflows/python-ci.yml

@@ -50,7 +50,7 @@ jobs:
             sudo apt-get update
             sudo apt-get install -y pkg-config build-essential
           else
-            brew install pkg-config
+            brew install pkg-config || brew upgrade pkg-config || true
           fi
       - name: Install MSYS2 toolchain
         if: runner.os == 'Windows'