Set macOS deployment target in Makefile (#2042)

The idea is to avoid warnings like:
```
ld: warning: object file XX was built for newer macOS
version (14.4) than being linked (14.0)
```

Makefile

@@ -12,6 +12,11 @@ endif
 
 ifeq ($(shell uname -s),Darwin)
 	export CGO_LDFLAGS=-framework Foundation -framework SystemConfiguration
+
+	# Set macOS deployment target in order to avoid linker warnings linke
+	# "ld: warning: object file XX was built for newer macOS version (14.4) than being linked (14.0)"
+	export MACOSX_DEPLOYMENT_TARGET=$(shell sw_vers --productVersion)
+
 	# for test-race we need to pass -ldflags to fix linker warnings on macOS
 	# see https://github.com/golang/go/issues/61229#issuecomment-1988965927
 	TEST_RACE_LDFLAGS=-ldflags=-extldflags=-Wl,-ld_classic