build: keep latest git tag in sync with each versioned release

Makefile

@@ -32,13 +32,15 @@ docker-push: docker-build
 tag:
 	@if [ -z "$(VERSION)" ]; then echo "Usage: make tag VERSION=1.2.0"; exit 1; fi
 	git tag $(VERSION)
+	git tag -f latest
 	git push origin $(VERSION)
+	git push origin -f latest
 
 gitea-release:
 	tea release create \
 		--tag $(VERSION) \
 		--title "$(VERSION)" \
-		--note $(NOTES) \
+		$(if $(NOTES),--note $(NOTES),) \
 		--asset $(BUILD_DIR)/$(BIN)-windows-amd64.exe \
 		--asset $(BUILD_DIR)/$(BIN)-linux-amd64 \
 		--asset $(BUILD_DIR)/$(BIN)-linux-arm64 \

cli/root.go

@@ -47,7 +47,7 @@ var cli = &cobra.Command{
 		comic.Archive()
 		comic.Cleanup()
 	},
-	Version: "1.1.0",
+	Version: "1.2.1",
 }
 
 func Execute() error {