SONAR-14739 reduce JGit logs

sonar-scanner-engine/src/main/resources/org/sonar/batch/bootstrapper/logback.xml

@@ -18,11 +18,16 @@
     </encoder>
   </appender>
 
-  <!-- BeanUtils generate to many DEBUG logs when sonar.verbose is set -->
+  <!-- BeanUtils generate too many DEBUG logs when sonar.verbose is set -->
   <logger name="org.apache.commons.beanutils.converters">
     <level value="WARN"/>
   </logger>
 
+  <!-- FileSnapshot generate too many DEBUG logs when sonar.verbose is set -->
+  <logger name="org.eclipse.jgit.internal.storage.file">
+    <level value="INFO"/>
+  </logger>
+
   <!-- sonar.showSql -->
   <!-- see also org.sonar.db.MyBatis#configureLogback() -->
   <logger name="org.mybatis">