Merge pull request #1307 from nikolaykasyanov/fix-macos-ci

Fix macOS CI

CI/before_install.osx.sh

@@ -2,10 +2,9 @@
 
 brew update
 
-brew rm cmake || true
-brew rm pkgconfig || true
-brew rm qt5 || true
-brew install cmake pkgconfig $macos_qt_formula
+brew outdated cmake || brew upgrade cmake
+brew outdated pkgconfig || brew upgrade pkgconfig
+brew install $macos_qt_formula
 
 curl https://downloads.openmw.org/osx/dependencies/openmw-deps-c79172d.zip -o ~/openmw-deps.zip
 unzip ~/openmw-deps.zip -d /private/tmp/openmw-deps > /dev/null