[jps-cache] Update readme
[jps-cache] Update readme

GitOrigin-RevId: a2c09c6769d8f8dd0ab42bd38b9bbb4c9a38ffbd
allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community