Run CI on aarch64 with Drone (#472)

Author: giordano

.drone.jsonnet

@@ -0,0 +1,30 @@
+local Pipeline(os, arch, version, alpine=false) = {
+    kind: "pipeline",
+    name: os+" - "+arch+" - Julia "+version+(if alpine then " (Alpine)" else ""),
+    platform: {
+        os: os,
+        arch: arch
+    },
+    steps: [
+        {
+            name: "Run tests",
+            image: "julia:"+version+(if alpine then "-alpine" else ""),
+            commands: [
+                "julia --project=. --check-bounds=yes --color=yes -e 'using InteractiveUtils; versioninfo(verbose=true)'",
+                "julia --project=. --check-bounds=yes --color=yes -e 'using Pkg; Pkg.build()'",
+                "julia --project=. --check-bounds=yes --color=yes -e 'using Pkg; Pkg.test(coverage=true)'"
+            ]
+        }
+    ],
+    trigger: {
+        branch: ["master"]
+    }
+};
+
+[
+    # Pipeline("linux", "arm",   "1.3.1"),
+    # Pipeline("linux", "arm",   "1.6.1"),
+    Pipeline("linux", "arm64", "1.3"),
+    Pipeline("linux", "arm64", "1.6"),
+    # Pipeline("linux", "amd64", "1.6", true)
+]

.drone.yml

@@ -0,0 +1,41 @@
+---
+kind: pipeline
+name: linux - arm64 - Julia 1.3
+
+platform:
+  os: linux
+  arch: arm64
+
+steps:
+- name: Run tests
+  image: julia:1.3
+  commands:
+  - "julia --project=. --check-bounds=yes --color=yes -e 'using InteractiveUtils; versioninfo(verbose=true)'"
+  - "julia --project=. --check-bounds=yes --color=yes -e 'using Pkg; Pkg.build()'"
+  - "julia --project=. --check-bounds=yes --color=yes -e 'using Pkg; Pkg.test(coverage=true)'"
+
+trigger:
+  branch:
+  - master
+
+---
+kind: pipeline
+name: linux - arm64 - Julia 1.6
+
+platform:
+  os: linux
+  arch: arm64
+
+steps:
+- name: Run tests
+  image: julia:1.6
+  commands:
+  - "julia --project=. --check-bounds=yes --color=yes -e 'using InteractiveUtils; versioninfo(verbose=true)'"
+  - "julia --project=. --check-bounds=yes --color=yes -e 'using Pkg; Pkg.build()'"
+  - "julia --project=. --check-bounds=yes --color=yes -e 'using Pkg; Pkg.test(coverage=true)'"
+
+trigger:
+  branch:
+  - master
+
+...