chore: add missing dollar sign to variable (#179)

Signed-off-by: a3hadi <[email protected]>

Author: ayildirim21

examples/map/even_odd/Makefile

@@ -11,7 +11,7 @@ update:
 image-push: update
 	cd ../../../ && docker buildx build \
 	-f ${DOCKER_FILE_PATH} \
-	-t {IMAGE_REGISTRY} \
+	-t ${IMAGE_REGISTRY} \
 	--platform linux/amd64,linux/arm64 . --push
 
 .PHONY: image