chore: added few diagnostic

Author: asharma4-sonata

.github/workflows/cli-tests.yml

@@ -92,3 +92,16 @@ jobs:
             echo "ha.stderr.log not found at $LOG"
             find $HOME/.colima -maxdepth 3 -type f -name '*stderr*' -print
           fi
+      - name: Diagnostics (macOS arch & binaries)
+        if: ${{ failure() && matrix.os.name == 'mac' }}
+        run: |
+          echo "===GATHERING DIAGNOSTIC DATA ==="
+          set -euxo pipefail
+          uname -a
+          uname -m
+          which brew || true
+          brew --prefix || true
+          which colima || true
+          which limactl || true
+          if command -v colima >/dev/null; then file "$(which colima)"; fi
+          if command -v limactl >/dev/null; then file "$(which limactl)"; fi