Merge branch 'fix-firefox' into 'master'

firefox-esr-mobile-config: Set archs to aarch64 (it's an arch:all package)

See merge request Librem5/deb-build-jobs!239

jobs.yml

@@ -76,6 +76,7 @@ evscript:
   branch: master
 firefox-esr-mobile-config:
   url: https://source.puri.sm/Librem5/debs/firefox-esr-mobile-config.git
+  archs: ['aarch64']
   dists: ['buster']
   branch: 'pureos/amber-phone'
 flash-kernel: