try run build with bash

.github/workflows/release.yml

@@ -107,6 +107,7 @@ jobs:
         if: ${{ matrix.os.name == 'ubuntu' }}
       - name: Build
         run: '${{ matrix.os.scons-script }} INCLUDEPATH="${{ steps.boost.outputs.root }}${{ matrix.os.path-separator }}${{steps.sfml.outputs.path}}/include" LIBPATH="${{ steps.boost.outputs.librarydir }}${{ matrix.os.path-separator }}${{steps.sfml.outputs.path}}/lib${{ matrix.os.path-separator }}/usr/local/lib" FRAMEWORKPATH="${{steps.sfml.outputs.path}}/lib" test=false debug=$DEBUG_FLAG'
+        shell: bash
       - name: Codesign and notarize
         run: './.github/workflows/scripts/mac/sign-apps.sh'
         if: ${{ matrix.os.name == 'macos' }}