feat: update buildrunner

- add nfpm package
- prepare for golang builds
- cleanup layers in docker

Makefile

@@ -14,10 +14,7 @@ OWNER := unkin
 
 # Build the Docker image (without tags)
 build:
-	docker build \
+	docker build --network=host -t $(REGISTRY)/$(OWNER)/$(IMAGE_NAME) .
-		--network=host \
-		--build-arg NFPM_VERSION=$(NFPM_VERSION) \
-		-t $(REGISTRY)/$(OWNER)/$(IMAGE_NAME) .
 
 # Tag the Docker image with the Git commit hash, the date, and 'latest'
 tag: