[TEMPORARY] Enable the dist-x86_64-linux job on PR CI

Author: Urgau

src/ci/github-actions/jobs.yml

@@ -95,6 +95,8 @@ pr:
     <<: *job-linux-16c
   - image: x86_64-gnu-tools
     <<: *job-linux-16c
+  - image: dist-x86_64-linux
+    <<: *job-linux-16c
 
 # Jobs that run when you perform a try build (@bors try)
 # These jobs automatically inherit envs.try, to avoid repeating