build(makefile): append .exe to windows binaries (#424)

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

Makefile

@@ -45,5 +45,5 @@ $(BINARIES): mod-tidy $(GO_FILES)
 	CGO_ENABLED=0 go build \
 		$(GO_LDFLAGS) \
 		-tags nodbus \
-		-o $(@) \
+		-o $(@)$(if $(filter windows,$(GOOS)),.exe,)  \
 		./cmd/$(@)