Update GitHub Actions workflow to include additional dependencies for Linux builds

- Added libcups2-dev, libssl-dev, and libxkbcommon-dev to the installation step in the release workflow, ensuring all necessary libraries are available for the build process.

Author: glenwrhodes

.github/workflows/release.yml

@@ -172,6 +172,7 @@ jobs:
             libcurl4-openssl-dev libfontconfig1-dev \
             libwebkit2gtk-4.0-dev libgtk-3-dev \
             libglu1-mesa-dev mesa-common-dev \
+            libcups2-dev libssl-dev libxkbcommon-dev \
             ninja-build libfuse2
 
       - name: Install Qt