Do not install cmake from apt

Looks like it is already included

Author: Marcondiro

.github/workflows/ubuntu-prepare/action.yml

@@ -5,7 +5,7 @@ runs:
   steps:
     - name: Install and cache deps
       shell: bash
-      run: sudo apt-get update && sudo apt-get install -y curl lsb-release wget software-properties-common gnupg ninja-build shellcheck pax-utils nasm libsqlite3-dev libc6-dev libgtk-3-dev gcc g++ gcc-arm-none-eabi gcc-arm-linux-gnueabi g++-arm-linux-gnueabi libslirp-dev libz3-dev build-essential cmake
+      run: sudo apt-get update && sudo apt-get install -y curl lsb-release wget software-properties-common gnupg ninja-build shellcheck pax-utils nasm libsqlite3-dev libc6-dev libgtk-3-dev gcc g++ gcc-arm-none-eabi gcc-arm-linux-gnueabi g++-arm-linux-gnueabi libslirp-dev libz3-dev build-essential
     - uses: dtolnay/rust-toolchain@stable
     - name: install just
       uses: extractions/setup-just@v2