[Wav2Vec2] PyCTCDecode Integration to support language model boosted decoding (#14339)

* up

* up

* up

* make it cleaner

* correct

* make styhahalal

* add more tests

* finish

* small fix

* make style

* up

* tryout to solve cicrle ci

* up

* fix more tests

* fix more tests

* apply sylvains suggestions

* fix import

* correct docs

* add pyctcdecode only to speech tests

* fix more tests

* add tf, flax and pt tests

* add pt

* fix last tests

* fix more tests

* Apply suggestions from code review

* change lines

* Apply suggestions from code review

Co-authored-by: Anton Lozhkov <aglozhkov@gmail.com>

* correct tests

* correct tests

* add doc string

Co-authored-by: Anton Lozhkov <aglozhkov@gmail.com>

.github/workflows/self-scheduled.yml

@@ -36,6 +36,7 @@ jobs:
           apt -y update && apt install -y libsndfile1-dev git
           pip install --upgrade pip
           pip install .[integrations,sklearn,testing,onnxruntime,sentencepiece,torch-speech,vision,timm]
+          pip install https://github.com/kpu/kenlm/archive/master.zip
 
       - name: Are GPUs recognized by our DL frameworks
         run: |
@@ -102,6 +103,7 @@ jobs:
           pip install --upgrade pip
           pip install --upgrade "jax[cuda111]" -f https://storage.googleapis.com/jax-releases/jax_releases.html
           pip install .[flax,integrations,sklearn,testing,sentencepiece,flax-speech,vision]
+          pip install https://github.com/kpu/kenlm/archive/master.zip
 
       - name: Are GPUs recognized by our DL frameworks
         run: |
@@ -141,6 +143,8 @@ jobs:
           apt -y update && apt install -y libsndfile1-dev git
           pip install --upgrade pip
           pip install .[sklearn,testing,onnx,sentencepiece,tf-speech,vision]
+          pip install https://github.com/kpu/kenlm/archive/master.zip
+
 
       - name: Are GPUs recognized by our DL frameworks
         run: |
@@ -236,6 +240,7 @@ jobs:
           apt -y update && apt install -y libsndfile1-dev git
           pip install --upgrade pip
           pip install .[integrations,sklearn,testing,onnxruntime,sentencepiece,torch-speech,vision,timm]
+          pip install https://github.com/kpu/kenlm/archive/master.zip
 
       - name: Are GPUs recognized by our DL frameworks
         run: |
@@ -288,6 +293,7 @@ jobs:
           apt -y update && apt install -y libsndfile1-dev git
           pip install --upgrade pip
           pip install .[sklearn,testing,onnx,sentencepiece,tf-speech,vision]
+          pip install https://github.com/kpu/kenlm/archive/master.zip
 
       - name: Are GPUs recognized by our DL frameworks
         run: |