build: increase MACOS_DEPLOYMENT_TARGET to 10.10

PR-URL: #27275
Refs: #26714
Refs: nodejs/build#1768
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Author: rvagg

common.gypi

@@ -436,7 +436,7 @@
           'GCC_ENABLE_CPP_RTTI': 'NO',              # -fno-rtti
           'GCC_ENABLE_PASCAL_STRINGS': 'NO',        # No -mpascal-strings
           'PREBINDING': 'NO',                       # No -Wl,-prebind
-          'MACOSX_DEPLOYMENT_TARGET': '10.7',       # -mmacosx-version-min=10.7
+          'MACOSX_DEPLOYMENT_TARGET': '10.10',      # -mmacosx-version-min=10.10
           'USE_HEADERMAP': 'NO',
           'OTHER_CFLAGS': [
             '-fno-strict-aliasing',