Re-enable macOS builds after runner rollback

macOS builds were disabled Nov 22 due to hashFiles regression in runner
images. GitHub has rolled back to working versions. Updated comment with
correct tracking issues in case problems recur.

Author: gtunes-dev

.github/workflows/ci.yml

@@ -49,17 +49,19 @@ jobs:
             target: x86_64-unknown-linux-gnu
             ext: tar.gz
 
-          # Temporary: macOS builds disabled due to hashFiles issue on macOS runners
-          # See: https://github.com/actions/runner/issues/3267
+          # macOS builds were temporarily disabled Nov 2025 due to hashFiles regression.
+          # Runner images have been rolled back. If issues recur, see:
+          #   https://github.com/actions/runner-images/issues/13341
+          #   https://github.com/actions/runner/issues/4134
           # macOS Intel
-          # - os: macos-15-intel
-          #   target: x86_64-apple-darwin
-          #   ext: tar.gz
-
-          # macOS Apple Silicon (M1/M2/M3/M4/M5)
-          # - os: macos-latest
-          #   target: aarch64-apple-darwin
-          #   ext: tar.gz
+          - os: macos-13
+            target: x86_64-apple-darwin
+            ext: tar.gz
+
+          # macOS Apple Silicon
+          - os: macos-latest
+            target: aarch64-apple-darwin
+            ext: tar.gz
 
           # Windows x86_64
           - os: windows-latest