Don't build binary on gha-build target (#38)

## Type of change

- [ ] Refactor
- [ ] New feature
- [ ] Bug fix
- [x] Optimization
- [ ] Documentation Update

## Description

Building the binary is not required

## Related Tickets & Documents

- Related Issue #
- Closes #

## Checklist before requesting a review

- [ ] I have performed a self-review of my code.
- [ ] If it is a core feature, I have added thorough tests.

## Testing
- Please describe the System Under Test.
- Please provide detailed steps to perform tests related to this code
change.
- How were the fix/results from this change verified? Please provide
relevant screenshots or results.

Signed-off-by: Raul Sevilla <[email protected]>

Makefile

@@ -32,7 +32,7 @@ container-build: build
 	$(CONTAINER_BUILD) -f containers/Containerfile \
 	-t $(CONTAINER_NS)/$(BIN_NAME) ./containers
 
-gha-build: build
+gha-build:
 	@echo "Building Multi-architecture container Images"
 	$(CONTAINER_BUILD) -f containers/Containerfile \
 	--platform=linux/amd64,linux/arm64,linux/ppc64le,linux/s390x \