(DO NOT MERGE) Check that this now passes in dist-arm-linux

Author: Zalathar

src/ci/github-actions/jobs.yml

@@ -102,6 +102,8 @@ pr:
     <<: *job-linux-16c
   - image: x86_64-gnu-tools
     <<: *job-linux-16c
+  - image: dist-arm-linux
+    <<: *job-linux-8c
 
 # Jobs that run when you perform a try build (@bors try)
 # These jobs automatically inherit envs.try, to avoid repeating