fix: repair Slint dependency setup

.github/workflows/build.yml

@@ -99,12 +99,20 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Install Linux build dependencies
+        run: apt install -y curl libxft-dev
+
+      - name: Install Rust
+        shell: bash
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain 1.92.0
+          echo "${HOME}/.cargo/bin" >> "${GITHUB_PATH}"
+
       - name: Build CrossDesk
         env:
           CUDA_PATH: /usr/local/cuda
           XMAKE_GLOBALDIR: /data
         run: |
-          apt install -y libxft-dev
           xmake f --CROSSDESK_VERSION=${LEGAL_VERSION} --USE_CUDA=true --root -y
           xmake b -vy --root crossdesk