Allow buiding and pushing from goreleaser on main:

This gets around the error, "git doesn't contain any tags"
and allows builds from main without a new tag to push
"sha-<git short hash>" and "latest" tags on container
image builds.

Signed-off-by: Jacob Weinstock <jakobweinstock@gmail.com>

Author: jacobweinstock

.github/workflows/ci.yaml

@@ -103,3 +103,4 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           IS_RELEASE: false
+          GORELEASER_EXTRA_FLAGS: "--skip=validate"

Makefile

@@ -144,7 +144,7 @@ build-image: $(GORELEASER) ## Build the container image
 
 .PHONY: build-image-push
 build-image-push: $(GORELEASER) ## Build and push the container image
-	${GORELEASER} release --clean --verbose
+	${GORELEASER} release --clean --verbose ${GORELEASER_EXTRA_FLAGS}
 
 ## --------------------------------------
 ## Manifest Image Update