Edit README.md to contain correct version

Author: actions-user

README.md

@@ -15,7 +15,7 @@ A library to identify file formats and to extract meta-data from those files.
     <dependency>
         <groupId>org.jadice.filetype</groupId>
         <artifactId>analyzer</artifactId>
-        <version>2.6.1</version>
+        <version>2.7.1</version>
     </dependency>
 
 ### Minimal usage