Add sacrebleu[ja] to test dependencies (#1685)

Author: elronbandel

pyproject.toml

@@ -60,8 +60,6 @@ docs = [
     "datasets",
     "evaluate",
     "nltk",
-    "sacrebleu",
-    "absl-py",
     "rouge_score",
     "scikit-learn",
     "jiwer",
@@ -89,8 +87,7 @@ tests = [
     "editdistance",
     "rouge-score",
     "nltk",
-    "mecab-python3",
-    "sacrebleu[ko]",
+    "sacrebleu[ko,ja]",
     "scikit-learn<=1.5.2",
     "jiwer",
     "conllu",