trying (yet again) to fix travis iOS build

Author: limpkin

scripts/ci/osx/install.sh

@@ -7,8 +7,8 @@ brew install jq lftp
 brew uninstall wget
 brew install wget
 echo "Current PATH: $PATH"
-pip3 install --upgrade pip
-pip3 install aqtinstall -t /Users/travis/aqt
+pip3 install --break-system-packages --upgrade pip
+pip3 install --break-system-packages aqtinstall -t /Users/travis/aqt
 export PYTHONPATH=$PYTHONPATH:/Users/travis/aqt
 /Users/travis/aqt/bin/aqt install-qt mac desktop 6.2.4 clang_64 -m all -O /Users/travis/Qt
 networksetup -setv6off Ethernet