Merge branch 'stm32' into 'master'

jobs: Add stm32flash

See merge request Librem5/deb-build-jobs!255

jobs.yml

@@ -443,6 +443,10 @@ sound-theme-librem5:
   archs: ['aarch64']
   dists: ['buster']
   branch: master
+stm32flash:
+  url: https://source.puri.sm/Librem5/debs/stm32flash.git
+  dists: ['buster']
+  branch: 'pureos/amber-phone'
 teeworlds:
   url: https://source.puri.sm/Librem5-apps/teeworlds.git
   dists: ['buster']