[CI] Fix releases (again)

.github/workflows/Linux_build.yml

@@ -94,11 +94,13 @@ jobs:
       - name: Prepare artifacts
         id: prepare_artifacts
         run: |
-          if [ $(stat -c %s build/bin/Linux/Release/xenia_canary) -le 100000 ]; then
+          binary=build/bin/Linux/Release/xenia_canary
+          if [ $(stat -c%s $binary) -le 100000 ]; then
             echo "::error::Binary is too small."
           fi
+          chmod +x $binary
           mkdir -p artifacts
-          cp -r build/bin/Linux/Release/xenia_canary LICENSE artifacts
+          XZ_OPT=-e9 tar cJvpf artifacts/xenia_canary_linux.tar.xz $binary LICENSE
       - name: Upload xenia canary artifacts
         if: steps.prepare_artifacts.outcome == 'success'
         uses: actions/upload-artifact@main