include request.log in support bundle if location is customized

<?xml version='1.0' encoding='UTF-8'?>
<configuration>
  <appender name="request.logfile" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <File>/var/log/nexus/request.log</File>
    <Append>true</Append>
    <encoder class="org.sonatype.nexus.pax.logging.AccessPatternLayoutEncoder">
      <pattern>%clientHost %l %user [%date] "%requestURL" %statusCode %bytesSent %elapsedTime "%header{User-Agent}"</pattern>
    </encoder>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>/var/log/nexus/request-%d{yyyy-MM-dd}.log.gz</fileNamePattern>
      <maxHistory>7</maxHistory>
    </rollingPolicy>
  </appender>

  <appender-ref ref="request.logfile"/>
</configuration>