java-1.8.0-openjdk security and bug fix update

1:1.8.0.312.b07-1 - Update to aarch64-shenandoah-jdk8u312-b07 EA - Update release notes for 8u312-b07. - Switch to GA mode for final release. - This tarball is embargoed until 2021-10-19 @ 1pm PT. - Resolves: rhbz2011826 1:1.8.0.312.b05-0.4.ea - Allow plain key import to be disabled with...