ima-evm-utils: release v1.2.1

The long overdue ima-evm-utils v1.2 was released last Thursday. (An "annotated" tag was created today, replacing the previous tag.)  The v1.2 release contained a number of new features, bug fixes, and code cleanup.  For a detailed list, refer to the Changelog.  This v1.2.1 release contains a few additional bug fixes.

Mimi