java-1.8.0-openjdk security update

1:1.8.0.302.b08-0 - Update to aarch64-shenandoah-jdk8u302-b08 EA - Update release notes for 8u302-b08. - Switch to GA mode for final release. - This tarball is embargoed until 2021-07-20 @ 1pm PT. - Resolves: rhbz1972395 1:1.8.0.302.b07-0.0.ea - Update to aarch64-shenandoah-jdk8u302-b07 EA - Upda...