Lower deploy target for macIntel

Author: WyattBlue

.github/workflows/build-ffmpeg.yml

@@ -50,7 +50,12 @@ jobs:
           python-version: "3.13"
       - name: Set deployment target
         if: runner.os == 'macOS'
-        run: echo "MACOSX_DEPLOYMENT_TARGET=14.0" >> $GITHUB_ENV
+        run: |
+          if [ "${{ matrix.arch }}" = "x86_64" ]; then
+            echo "MACOSX_DEPLOYMENT_TARGET=11.0" >> $GITHUB_ENV
+          else
+            echo "MACOSX_DEPLOYMENT_TARGET=14.0" >> $GITHUB_ENV
+          fi
       - name: Install packages for macOS
         if: runner.os == 'macOS'
         run: |