Epoch bump request for ksh

[Anuradha Weeraman <anuradha@debian.org>]

Hi

As a result of a revert of v2020 of ksh last year, the current version
on sid for ksh is as follows:

2020.0.0+really93u+20120801-10

With the next upgrade, we're looking to move to the 93u+m community
maintained distribution that has a different versioning scheme (starting
with 1.0.0-beta.1). Without bumping up the epoch, we can possibly version
it as follows, by using a newer date prefix:

20210510-93u+m-1.0.0~beta.1-1

However, I would like to request feedback to move to the following
version with a bump of the epoch:

1:93u+m-1.0.0~beta.1-1

Thanks,

Anuradha