fix versioning

requirements.txt

@@ -1,2 +1,2 @@
 gradio>=4.44.1
-transformer-ranker>=0.1.2
+transformer-ranker==0.1.2

utils.py

@@ -20,7 +20,7 @@ HEADLINE = """
 </p>
 <p align="center" style="font-weight: bold; margin-top: 20px; display: flex; justify-content: center; gap: 10px;">
     <a href="https://github.com/flairNLP/transformer-ranker">
-        <img src="https://img.shields.io/badge/GitHub-transformer--ranker-black?style=flat&logo=github" alt="GitHub Repo">
+        <img src="https://img.shields.io/badge/Repository-black?style=flat&logo=github" alt="GitHub Repo">
     </a>
     <a href="https://pypi.org/project/transformer-ranker/">
         <img src="https://img.shields.io/badge/Package-orange?style=flat&logo=python" alt="Package Badge">