update dependency: gcc 13

Author: jorgenfj

scripts/ci_install_dependencies.sh

@@ -23,4 +23,10 @@ echo "Installing PyGObject dependencies via apt..."
 sudo apt install -y libglib2.0-dev libcairo2-dev libgirepository1.0-dev \
     gir1.2-gtk-3.0 python3-gi-cairo
 
+# Install and switch to GCC 13
+sudo apt-get install -y --no-install-recommends gcc-13 g++-13 lcov
+sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 100
+sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-13 100
+sudo update-alternatives --install /usr/bin/gcov gcov /usr/bin/gcov-13 100
+
 echo "All dependencies installed successfully via apt."