Fix CI

Author: diffstorm

.github/workflows/ci.yml

@@ -66,6 +66,9 @@ jobs:
           /opt/Qt/5*
         key: ${{ runner.os }}-qt5-deps-${{ hashFiles('CMakeLists.txt') }}
 
+    - name: Set CMAKE_PREFIX_PATH for Qt5
+      run: echo "CMAKE_PREFIX_PATH=/usr/lib/x86_64-linux-gnu/qt5" >> $GITHUB_ENV
+
     - name: Configure CMake for Qt5
       run: cmake -B build_qt5 -DQT_VERSION=5
 
@@ -144,6 +147,9 @@ jobs:
           /opt/Qt/6*
         key: ${{ runner.os }}-qt6-deps-${{ hashFiles('CMakeLists.txt') }}
 
+    - name: Set CMAKE_PREFIX_PATH for Qt6
+      run: echo "CMAKE_PREFIX_PATH=/usr/lib/x86_64-linux-gnu/qt6" >> $GITHUB_ENV
+
     - name: Configure CMake for Qt6
       run: cmake -B build_qt6 -DQT_VERSION=6