Update pre-requirements.txt

pre-requirements.txt

@@ -5,9 +5,8 @@ cached-path>=1.5.1,<2.0.0
 einops>=0.7.0,<0.8.0
 einops-exts>=0.0.4,<0.0.5
 filelock>=3.12.4,<3.13
-#gruut>=2.3.4,<3.0.0
-#Downgrading grutt for tts becuase gruut<3.0.0 and >=2.3.4 gruut[de,es,fr] 2.2.3 depends on gruut 2.2.3
-gruut==2.2.3
+#gruut>=2.3.4,<3.0.0 allowing older versions of grutt becuase gruut<3.0.0 and >=2.3.4 gruut[de,es,fr] 2.2.3 depends on gruut 2.2.3 in tts
+gruut>=2.2.3,<3.0.0
 gruut-ipa>=0.13.0,<0.14.0
 gruut-lang-en>=2.0.0,<3.0.0
 huggingface-hub>=0.19.0,<0.20.0