Bump transformers from 4.4.0 to 4.30.0

Bumps [transformers](https://github.com/huggingface/transformers) from 4.4.0 to 4.30.0.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.4.0...v4.30.0)

---
updated-dependencies:
- dependency-name: transformers
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-service.txt

@@ -1,7 +1,7 @@
 numpy==1.17
 torch==1.6.0
 spacy==2.1.3
-transformers==4.4.0
+transformers==4.30.0
 sentencepiece==0.1.95
 Cython==0.29.10
 tqdm==4.32.2

requirements.txt

@@ -1,7 +1,7 @@
 numpy
 torch==1.9.0
 spacy==2.1.3
-transformers==4.9.1
+transformers==4.30.0
 sentencepiece==0.1.96
 tqdm
 neuralcoref==4.0