Relicense gdbstub under dual MIT/Apache-2.0

[daniel5151]

Relicense gdbstub under dual MIT/Apache-2.0

[jamcleod]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

(Sorry for taking so long to reply, github is very bad about notifying me!)

[starfleetcadet75]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

Also sorry for taking so long

[DrChat]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

👍

[fzyz999]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[mchesser]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[Tiwalun]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[keiichiw]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[thomashk0]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[sapir]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[bet4it]

I license past and future contributions under the dual MIT/Apache-2.0 license, allowing licensees to choose either at their option.

[daniel5151]

pinging @starfleetcadet75, as it seems you're the last one who needs to sign off.