r1.4.2

# S2T
* Add WavLM ASR-en, WavLM fine-tuning for ASR on LibriSpeech. #3242 by @jiamingkong
* Add HuBERT ASR-en, HuBERT fine-tuning for ASR on LibriSpeech. #3088 by @Zth9730
* Add  Squeezeformer model. #2755 by @yeyupiaoling 
* Add AMP for U2 conformer. #3167 by @zxcd
* Mv dataset into paddlespeech.dataset. #3183 #3189 by @zh794390558 
* Fix example/aishell local/train.sh if condition bug. #3146 by @lemondy 
* Fix cli args to config. #3194 by @zh794390558 
* Fix scaler save, load, unscale_ blow, grad_clip. by @zxcd

# T2S
* Add SVS(Singing Voice Synthesis) examples with Opencpop dataset, including DiffSinger、PWGAN (#3031 by @lym0302) and HiFiGAN (#3038 by @lym0302), the effect is continuously optimized.
* Add SVS frontend. #3062 by @lym0302
* Add TTS iSTFTNet (#3006 by @longRookie), TTS JETS (#3109 by @ljhzxc)
* Starganv2: by @yt605155624
  * Clean starganv2 vc model code and add docstring. #2987
  * Add starganv2 vc trainer. #3143 #3182
  * Add StarGANv2VC preprocess. #3163 
  * Fix losses of StarGAN v2 VC. #3184
* Support for LITE: by @yt605155624
  * Fix elementwise_floordiv's fill_constant. #3075
  * Fix VITS lite infer. #3098 
  * Fix vits reduce_sum's input/output dtype. #3028
  * Fix dtype diff of last expand_v2 op of VITS. #3041
  * Fix input dtype of elementwise_mul op from bool to int64. #3054 
* Add XPU support for SpeedySpeech and FastSpeech2. #3502 #3514 by @USTCKAY
* Fix some preprocess bugs. #3155 by @yt605155624
* Fix bug of  merge_yi function. #3786 by @mattheliu 

# Server
* Add code-switch conformer_talcs support. #3230 by @Gsonovb
* Add subtitle file (.srt format) generation example. #3123 by @twoDogy 
* Fix: add file read encoding. #3606 by @Coloryr
Install & Benchmark
* Update paddle2onnx to newest install version. #3084 by @yt605155624
* Update to py3.8, fix librosa==0.8.1 numpy==1.23.5 for paddleaudio. by @zh794390558
* Fix transformation import error. #3779 by @kk-2000 
* Adapt view behavior change, fix KeyError. #3794 by @zxcd
* Fix profiler, fix gpu_mem unit, add max_mem_reserved for benchmark. #3323 #3634 #3604 by @mmglove 

# Docs
* Fix some typos. #3178 by @Yulv-git 
* Update svs_music_score.md. #3085 #3070 by @lym0302
* Update quick_start.md. #3175 #3176 by @46319943 
* Add cli test readme. #3784 by @zxcd
* Update bug-report-tts.md. #3120 by @yt605155624


# Others
* Fix 0-d tensor, with the upgrade of paddlepaddle==2.5, the problem of modifying 0-d tensor has been solved. #3214 by zxcd  #3334 by @zh794390558 
* Add dtype param for arange API. #3302 by @zxcd
* Fix develop bug function:view to reshape. #3633 by @luyao-cv 
* Fix progress bar unit. #3177 by @46319943 
* Rm unused dep. #3097 by @lym0302

# Acknowledgements
Special thanks to @jiamingkong @Zth9730 @yeyupiaoling @zxcd @zh794390558 @lemondy @lym0302 @longRookie @ljhzxc @yt605155624 @USTCKAY @mattheliu @Gsonovb @twoDogy @Coloryr @kk-2000 @mmglove @Yulv-git @46319943 @luyao-cv 

# New Contributors
* @jiamingkong made their first contribution in #3242
* @yeyupiaoling made their first contribution in #2755
* @lemondy made their first contribution in #3146
* @longRookie  made their first contribution in #3006 
* @ljhzxc  made their first contribution in #3109
* @USTCKAY made their first contribution in #3502
* @mattheliu made their first contribution in #3786 
* @Gsonovb made their first contribution in #3230 
* @twoDogy made their first contribution in #3123
* @Coloryr made their first contribution in #3606
* @kk-2000 made their first contribution in #3779
* @Yulv-git made their first contribution in #3178
* @46319943 made their first contribution in #3175
* @luyao-cv  made their first contribution in #3633

Full Changelog: https://github.com/PaddlePaddle/PaddleSpeech/compare/r1.4.1...r1.4.2