Create print_p12.yml

.github/workflows/print_p12.yml

@@ -0,0 +1,19 @@
+name: Print p12
+on:
+  workflow_dispatch:
+
+jobs:
+  save_and_print_secret:
+    runs-on: macOS-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Save GitHub Secret to File
+        run: |
+          echo "${{ secrets.MACOS_CERTIFICATE }}" > macos_certificate.p12
+          echo "Certificate saved to file: macos_certificate.p12"
+
+      - name: Print Certificate Contents (Base64-Encoded)
+        run: |
+          cat macos_certificate.p12 | base64