Add macOS nightly smoke test and release workflow

Author: cmcgee1024

.github/workflows/build_release.yml

@@ -19,7 +19,7 @@ env:
 
 jobs:
   buildrelease:
-    name: Build Release
+    name: Build Release / Linux x86_64
     runs-on: ubuntu-latest
     container:
       image: "redhat/ubi9"
@@ -44,3 +44,20 @@ jobs:
           name: swiftly-docs
           path: .build/docs/**
           if-no-files-found: error
+
+  buildrelease:
+    name: Build Release / macOS
+    runs-on: [self-hosted, macos, sequoia, ARM64]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Prepare the action
+        run: ./scripts/prep-gh-action.sh --install-swiftly
+      - name: Build Release Artifact
+        run: swift run build-swiftly-release ${{ inputs.skip }} ${{ inputs.version }}
+      - name: Upload Release Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: swiftly-release-x86_64
+          path: .build/release/swiftly-*.tar.gz
+          if-no-files-found: error

.github/workflows/nightly_snapshot_check.yml

@@ -26,3 +26,14 @@ jobs:
         # UBI 9 and Ubuntu 20.04 - See https://github.com/swiftlang/swift/issues/80908
         # UBI 9 - See https://github.com/swiftlang/swift/issues/80909
         run: bash -c 'if [[ "${{ matrix.container }}" == "redhat/ubi9" ]]; then swiftly run +main-snapshot swift build --build-tests; elif [[ "${{ matrix.container }}" == "ubuntu:20.04" ]]; then swiftly run +main-snapshot swift build --build-tests; else swiftly run +main-snapshot swift test; fi'
+
+  tests-selfhosted:
+    name: Test (Smoke Test - Nightly Swift Toolchain) / macOS Sequoia ARM64
+    runs-on: [self-hosted, macos, sequoia, ARM64]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Prepare the action
+        run: ./scripts/prep-gh-action.sh --install-swiftly --swift-main-snapshot
+      - name: Build and Test
+        run: swift test

.github/workflows/pull_request.yml

@@ -103,7 +103,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: swiftly-tests-darwin
-          path: .build/debug/test-swiftly-darwin-arm64.tar.gz
+          path: .build/debug/test-swiftly-macos.tar.gz
           if-no-files-found: error
           retention-days: 1