Add C++ runtime for speech enhancement GTCRN models (#1977)

See also https://github.com/Xiaobin-Rong/gtcrn

.github/workflows/macos.yaml

@@ -7,6 +7,7 @@ on:
     tags:
       - 'v[0-9]+.[0-9]+.[0-9]+*'
     paths:
+      - '.github/scripts/test-offline-speech-denoiser.sh'
       - '.github/workflows/macos.yaml'
       - '.github/scripts/test-kws.sh'
       - '.github/scripts/test-online-transducer.sh'
@@ -28,6 +29,7 @@ on:
     branches:
       - master
     paths:
+      - '.github/scripts/test-offline-speech-denoiser.sh'
       - '.github/workflows/macos.yaml'
       - '.github/scripts/test-kws.sh'
       - '.github/scripts/test-online-transducer.sh'
@@ -160,6 +162,15 @@ jobs:
           overwrite: true
           file: sherpa-onnx-*osx-universal2*.tar.bz2
 
+      - name: Test offline speech denoiser
+        shell: bash
+        run: |
+          du -h -d1 .
+          export PATH=$PWD/build/bin:$PATH
+          export EXE=sherpa-onnx-offline-denoiser
+
+          .github/scripts/test-offline-speech-denoiser.sh
+
       - name: Test offline TTS
         if: matrix.with_tts == 'ON'
         shell: bash