Release v1.23.4 (#1150)

Author: csukuangfj

.github/workflows/build-conda-cpu-macos.yml

@@ -76,7 +76,6 @@ jobs:
         with:
           auto-update-conda: true
           python-version: ${{ matrix.python-version }}
-          channels: conda-forge
           activate-environment: k2
 
       - name: Display Python version

.github/workflows/build-conda-cpu-windows.yml

@@ -65,7 +65,6 @@ jobs:
         with:
           auto-update-conda: true
           python-version: ${{ matrix.python-version }}
-          channels: conda-forge
           activate-environment: k2
 
       - name: Install conda dependencies

.github/workflows/build-conda-cuda-ubuntu.yml

@@ -82,7 +82,6 @@ jobs:
         with:
           auto-update-conda: true
           python-version: ${{ matrix.python-version }}
-          channels: conda-forge
           activate-environment: k2
 
       - name: Display Python version

CMakeLists.txt

@@ -47,7 +47,7 @@ message(STATUS "Enabled languages: ${languages}")
 
 project(k2 ${languages})
 
-set(K2_VERSION "1.23.3")
+set(K2_VERSION "1.23.4")
 
 # ----------------- Supported build types for K2 project -----------------
 set(K2_ALLOWABLE_BUILD_TYPES Debug Release RelWithDebInfo MinSizeRel)