fix: disable building snaps on release

the snap infra should already be able to deal with it, i think

Signed-off-by: DioEgizio <83089242+DioEgizio@users.noreply.github.com>

.github/workflows/build.yml

@@ -510,10 +510,10 @@ jobs:
           echo "VERSION=$ver_short" >> $GITHUB_ENV
       - name: Package Snap (Linux)
         id: snapcraft
-        if: runner.os == 'Linux' && matrix.qt_ver != 5
+        if: runner.os == 'Linux' && inputs.build_type == 'Debug'
         uses: snapcore/action-build@v1
       - name: Upload Snap (Linux)
-        if: runner.os == 'Linux' && matrix.qt_ver != 5
+        if: runner.os == 'Linux' && inputs.build_type == 'Debug'
         uses: actions/upload-artifact@v3
         with:
           name: prismlauncher_${{ env.VERSION }}_amd64.snap