When installing RPMs built by ART, the version reported by `microshift version` does not match the version of the RPM installed.

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1. Download and install MicroShift RPMs from brew. For example the 4.12.0~ec.4 EC version: microshift-4.12.0~ec.4-202210181553.p0.g89b54d2.assembly.ec.4.el8.
2. Run `microshift version`.

MicroShift Version: 4.12.0-0.microshift-unknown
Base OCP Version: 4.12.0-0.nightly-2022-09-25-071630

MicroShift Version: 4.12.0~ec.4
Base OCP Version: 4.12.0-0.nightly-2022-09-25-071630

We need to modify the .spec and Makefile such that when the .spec file has an explicit %{version} set (i.e. it's not a local build where that info is passed in from the make-rpm.sh script), that version is passed into the Makefile and overrides the Makefile default MICROSHIFT_VERSION.