tools/ci.sh: Build unix dev variant as part of macOS CI.

To test BTstack build on macOS.

Signed-off-by: Damien George <damien@micropython.org>

tools/ci.sh

@@ -515,6 +515,8 @@ function ci_unix_macos_build {
     #make ${MAKEOPTS} -C ports/unix deplibs
     make ${MAKEOPTS} -C ports/unix
     # check for additional compiler errors/warnings
+    make ${MAKEOPTS} -C ports/unix VARIANT=dev submodules
+    make ${MAKEOPTS} -C ports/unix VARIANT=dev
     make ${MAKEOPTS} -C ports/unix VARIANT=coverage submodules
     make ${MAKEOPTS} -C ports/unix VARIANT=coverage
 }