go-releaser: update binary path

Author: andrewsykim

.goreleaser.yml

@@ -1,7 +1,8 @@
 release:
   draft: true
 builds:
-- goos:
+- main: ./cmd/kube-router
+  goos:
   - linux
   goarch:
   - amd64

Makefile

@@ -122,7 +122,7 @@ push-release: push
 	$(DOCKER) push "$(REGISTRY)"
 	@echo Finished kube-router release container image push.
 
-github-release: kube-router
+github-release:
 	@echo Starting kube-router GitHub release creation.
 	@[ -n "$(value GITHUB_TOKEN)" ] && \
 	  GITHUB_TOKEN=$(value GITHUB_TOKEN); \