feat(FN-5606): add ARM64 to release and test-release workflow matrices

Adds ARM64 (Apple Silicon) as a target platform in both the release and test-release CI matrices, with corresponding test assertions covering the updated workflow configurations.

Fusion-Task-Id: FN-5606

Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>
Fusion-Task-Id: FN-5606

.github/workflows/release.yml

@@ -29,6 +29,9 @@ jobs:
           - os: ubuntu-latest
             target: bun-linux-x64
             binary: fn-linux-x64
+          - os: ubuntu-24.04-arm
+            target: bun-linux-arm64
+            binary: fn-linux-arm64
           - os: macos-latest
             target: bun-darwin-arm64
             binary: fn-darwin-arm64

.github/workflows/test-release.yml

@@ -20,6 +20,9 @@ jobs:
           - os: ubuntu-latest
             target: bun-linux-x64
             binary: fn-linux-x64
+          - os: ubuntu-24.04-arm
+            target: bun-linux-arm64
+            binary: fn-linux-arm64
           - os: macos-latest
             target: bun-darwin-arm64
             binary: fn-darwin-arm64