CI mac rename OPTDIR -> SCGDIR as it has nothing to do with /opt

.gitlab-ci.yml

@@ -117,14 +117,14 @@ mac_x64:
     - PYPLAT="/Users/qtisas/.pyenv/versions/3.11.6/"
     - PATH="$BREWDIR:$PATH"
   script:  &mac_script
-    - OPTDIR="/Users/Shared/Software/scg"
+    - SCGDIR="/Users/Shared/Software/scg"
     - CCACHE="$BREWDIR/bin/ccache"
     - env
     - mkdir build
     - cd build
     - cmake --version
     - >
-      cmake .. -DCMAKE_PREFIX_PATH="$OPTDIR;$QTDIR/lib/cmake;$BREWDIR" -DCMAKE_BUILD_TYPE=Release
+      cmake .. -DCMAKE_PREFIX_PATH="$SCGDIR;$QTDIR/lib/cmake;$BREWDIR" -DCMAKE_BUILD_TYPE=Release
       -DPython3_ROOT_DIR="$PYPLAT" -DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE" -DBA_APPLE_BUNDLE=ON
       -DCMAKE_OSX_DEPLOYMENT_TARGET=11 -DBA_PY_PACK=ON -DZERO_TOLERANCE=ON
     - make -j$NPROC