Switch to using linux_job_v2 5

Author: pearu

.github/workflows/docs.yaml

@@ -48,7 +48,7 @@ jobs:
         echo "::group::Create conda env"
         # Mark Build Directory Safe
         git config --global --add safe.directory /__w/audio/audio
-        conda create --quiet -y --prefix ci_env python="${PYTHON_VERSION}" ffmpeg=7 cmake ninja
+        conda create -c conda-forge --strict-channel-priority -y --prefix ci_env python="${PYTHON_VERSION}" ffmpeg=7 cmake ninja
         conda activate ./ci_env
         conda info