CI/MacOS: add missing packages

There are some additional packages that seem to be needed on Apple based
Silicon.

.github/workflows/macos.yml

@@ -96,7 +96,7 @@ jobs:
         find /opt/homebrew/Cellar/python* -name EXTERNALLY-MANAGED -print0 | xargs -0 rm -vf
     # use python3 from homebrew because it is a valid framework, unlike the actions one:
     # https://github.com/actions/setup-python/issues/58
-    - run: brew install pkg-config ninja llvm qt@5 boost ldc hdf5 openmpi lapack scalapack sdl2 boost-python3 gtk-doc
+    - run: brew install pkg-config ninja llvm qt@5 boost ldc hdf5 openmpi lapack scalapack sdl2 boost-python3 gtk-doc zstd ncurses
     - run: |
         python3 -m pip install --upgrade setuptools
         python3 -m pip install --upgrade pip
@@ -109,7 +109,7 @@ jobs:
         # These cannot evaluate anything, so we cannot set PATH or SDKROOT here
       run: |
         export SDKROOT="$(xcodebuild -version -sdk macosx Path)"
-        export PATH="$HOME/tools:/opt/homebrew/opt/qt@5/bin:/opt/homebrew/opt/llvm/bin:$PATH"
+        export PATH="$HOME/tools:/opt/homebrew/opt/qt@5/bin:/opt/homebrew/opt/llvm/bin:/opt/homebrew/opt/ncurses/bin:$PATH"
         export PKG_CONFIG_PATH="/opt/homebrew/opt/qt@5/lib/pkgconfig:/opt/homebrew/opt/lapack/lib/pkgconfig:/opt/homebrew/opt/ncurses/lib/pkgconfig:$PKG_CONFIG_PATH"
         export XML_CATALOG_FILES="/opt/homebrew/etc/xml/catalog"
         ./tools/run_with_cov.py ./run_project_tests.py --backend=ninja