Update to jdk-17.0.4.0+1
    
    Update release notes to 17.0.4.0+1
    Switch to EA mode for 17.0.4 pre-release builds.
    Drop JDK-8282004 patch which is now upstreamed under JDK-8282231
    Print release file during build, which should now include a correct SOURCE value from .src-rev
    Update tarball script with IcedTea GitHub URL and .src-rev generation
    Include script to generate bug list for release notes
    Update tzdata requirement to 2022a to match JDK-8283350
    Move EA designator check to prep so failures can be caught earlier
    Make EA designator check non-fatal while upstream is not maintaining it