Refactor Makefile: reorganize targets and remove duplicate entries for clean and build

Author: pelikhan

Makefile

@@ -1,6 +1,16 @@
 check: fmt vet tidy test
 .PHONY: check
 
+clean:
+	@echo "==> cleaning up <=="
+	rm -rf ./gh-models
+.PHONY: clean
+
+build:
+	@echo "==> building gh-models binary <=="
+	script/build
+.PHONY: build
+
 ci-lint:
 	@echo "==> running Go linter <=="
 	golangci-lint run --timeout 5m ./...
@@ -30,12 +40,3 @@ test:
 	@echo "==> running Go tests <=="
 	go test -race -cover ./...
 .PHONY: test
-
-build:
-	script/build
-.PHONY: build
-
-clean:
-	@echo "==> cleaning up <=="
-	rm -rf ./gh-models
-.PHONY: clean