dhcpcd: udapte to 10.3.0

[gc-user]

Testing the changes

• I tested the changes in this PR: briefly

Local build testing

• I built this PR locally for my native architecture, (x86_64)

[dogknowsnx]

There are several issues w/ 10.3.0

When I was testing it, I experienced frequent connection loss issues via ethernet (I'm on version 10.2.4 right now, which is working fine here)

@dkwo Did you happen to test 10.3.0 w/ your unprivileged service?

[gc-user]

I see.

So there are 3 options, I guess:

1. Use v10.2.4 for package update
2. Use one of the commits after v10.3.0 as patch, probably this one - depending of what issues are observed on void with v10.3.0.
3. Wait for the next upstream release to update the package.

Those that are experiencing issues with v10.3.0, are any of you using ifupdown by any chance? There's a discussion about that not being advised and maybe being involved with issues regarding ipv4...

[gc-user]

I guess I'll close this PR as this PR is open longer and can easily be changed to any version that will be deemed acceptable by the void devs. Somehow I missed checking for other PRs first...

[dogknowsnx]

As long as the currently packaged version is working fine, it doesn't make much sence to push an update for an interim version, imho. Fwiw, I've never used ifupdown.