ci: add aarch64-gnu as a fallible auto builder

Author: pietroalbini

.github/workflows/ci.yml

@@ -576,6 +576,11 @@ jobs:
     strategy:
       matrix:
         include:
+          - name: aarch64-gnu
+            os:
+              - self-hosted
+              - ARM64
+              - linux
           - name: dist-x86_64-apple
             env:
               SCRIPT: "./x.py dist"

src/ci/github-actions/ci.yml

@@ -84,6 +84,9 @@ x--expand-yaml-anchors--remove:
     os: windows-latest-xl
     <<: *base-job
 
+  - &job-aarch64-linux
+    os: [self-hosted, ARM64, linux]
+
   - &step
     if: success() && !env.SKIP_JOB
 
@@ -585,6 +588,13 @@ jobs:
     strategy:
       matrix:
         include:
+          #############################
+          #   Linux/Docker builders   #
+          #############################
+
+          - name: aarch64-gnu
+            <<: *job-aarch64-linux
+
           ####################
           #  macOS Builders  #
           ####################