Add coverage for Linux on ARM testing

Author: jakepetroules

.github/workflows/automerge.yml

@@ -13,7 +13,7 @@ on:
 jobs:
   create_merge_pr:
     name: Create PR to merge main into release branch
-    uses: swiftlang/github-workflows/.github/workflows/[email protected].2
+    uses: swiftlang/github-workflows/.github/workflows/[email protected].3
     with:
       head_branch: main
       base_branch: release/6.3

.github/workflows/pull_request.yml

@@ -14,13 +14,14 @@ concurrency:
 jobs:
   tests:
     name: Test
-    uses: swiftlang/github-workflows/.github/workflows/[email protected].2
+    uses: swiftlang/github-workflows/.github/workflows/[email protected].3
     needs: [soundness, space-format-check]
     with:
       linux_os_versions: '["amazonlinux2", "bookworm", "noble", "jammy", "rhel-ubi9"]'
       linux_pre_build_command: ./.github/scripts/prebuild.sh
       linux_build_command: 'swift test --no-parallel'
       linux_swift_versions: '["nightly-main", "nightly-6.2"]'
+      linux_host_archs: '["x86_64", "aarch64"]'
       windows_pre_build_command: 'Invoke-Program .\.github\scripts\prebuild.ps1'
       windows_swift_versions: '["nightly-main", "nightly-6.2"]'
       windows_build_command: 'Invoke-Program swift test --no-parallel'
@@ -38,7 +39,7 @@ jobs:
         /usr/bin/xcrun xcodebuild -workspace . -scheme SwiftBuild-Package -destination generic/platform=iOS
   tests_without_docker:
     name: Test without Docker
-    uses: swiftlang/github-workflows/.github/workflows/[email protected].2
+    uses: swiftlang/github-workflows/.github/workflows/[email protected].3
     needs: [soundness, space-format-check]
     with:
       enable_linux_checks: false
@@ -49,7 +50,7 @@ jobs:
       windows_os_versions: '["windows-2022", "windows-11-arm"]'
   cmake-smoke-test:
     name: cmake-smoke-test
-    uses: swiftlang/github-workflows/.github/workflows/[email protected].2
+    uses: swiftlang/github-workflows/.github/workflows/[email protected].3
     needs: [soundness, space-format-check]
     with:
       linux_os_versions: '["noble"]'
@@ -66,7 +67,7 @@ jobs:
 
   soundness:
     name: Soundness
-    uses: swiftlang/github-workflows/.github/workflows/[email protected].2
+    uses: swiftlang/github-workflows/.github/workflows/[email protected].3
     with:
       license_header_check_project_name: "Swift"
       api_breakage_check_enabled: false