[go-rpm-macros] PR #63: Use $SOURCE_DATE_EPOCH instead of random bytes

[Maxwell G]

gotmax23 merged a pull-request against the project: `go-rpm-macros` that you are following.

Merged pull-request:

``
Use $SOURCE_DATE_EPOCH instead of random bytes
``

https://pagure.io/go-rpm-macros/pull-request/63