GHA/macos: disable AppleIDN for autotools in combinations jobs

Without libidn2, AppleIDN gets enabled by default in autotools.

To remain minimal and match cmake.

Follow-up to 8de8fe8 curl#14401

.github/workflows/macos.yml

@@ -585,7 +585,7 @@ jobs:
             mkdir bld && cd bld && ../configure --enable-warnings --enable-werror \
               --disable-dependency-tracking \
               --disable-docs --disable-manual \
-              --without-nghttp2 --without-libidn2 \
+              --without-nghttp2 --without-libidn2 --without-apple-idn \
               --without-libpsl \
               ${options}
           else