fix: gh push on push event with latest tag was not using latest as tag but sha

Signed-off-by: Adrian Riobo <ariobolo@redhat.com>

Author: adrianriobo

.github/workflows/build.yml

@@ -73,4 +73,5 @@ jobs:
         make oci-tag
         make oci-push
       env:
-        IMAGE_TARGET_TAG: latest
+        IMAGE_SOURCE_TAG: ${{ env.IMAGE_TAG }}
+        IMAGE_TAG: latest

Makefile

@@ -39,7 +39,7 @@ oci-manifest-push:
 	${CONTAINER_MANAGER} manifest push $(IMAGE_NAME)
 
 oci-tag:
-	${CONTAINER_MANAGER} tag $(IMAGE_NAME) $(IMAGE_REPO):$(IMAGE_TARGET_TAG)
+	${CONTAINER_MANAGER} tag $(IMAGE_REPO):$(IMAGE_SOURCE_TAG) $(IMAGE_NAME) 
 
 oci-push:
 	${CONTAINER_MANAGER} push $(IMAGE_NAME)