debian: Add gbp.conf

3 jobs for master in 3 minutes and 38 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #282377
librem5
build-debian-gcc-buster

00:01:00

 
  Package
passed #282378
librem5
package:deb-debian-buster

00:00:46

passed #282379
librem5:arm64
package:deb-debian-buster:arm64

00:02:38