CI: Test on Linux arm64 runners

Author: seisman

.github/workflows/ci_tests.yaml

@@ -57,7 +57,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ['3.11', '3.13']
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, ubuntu-24.04-arm, macos-latest, windows-latest]
         # Is it a draft Pull Request (true or false)?
         isDraft:
           - ${{ github.event.pull_request.draft }}

.github/workflows/ci_tests_dev.yaml

@@ -36,7 +36,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-24.04, macos-15, windows-2025]
+        os: [ubuntu-24.04, ubuntu-24.04-arm, macos-15, windows-2025]
         gmt_git_ref: [master]
     timeout-minutes: 30
     defaults:

.github/workflows/ci_tests_legacy.yaml

@@ -34,7 +34,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macos-13, windows-2019]
+        os: [ubuntu-20.04, ubuntu-22.04-arm, macos-13, windows-2019]
         gmt_version: ['6.4']
     timeout-minutes: 30
     defaults: