fix the quickstart target's version replacement (#51)

Signed-off-by: Bryce Palmer <bpalmer@redhat.com>

Makefile

@@ -179,7 +179,7 @@ release: goreleaser ## Runs goreleaser for catalogd. By default, this will run o
 	$(GORELEASER) $(GORELEASER_ARGS)
 
 quickstart: kustomize generate ## Generate the installation release manifests and scripts
-	$(KUSTOMIZE) build config/default | sed "s/:devel/:$(VERSION)/g" > catalogd.yaml
+	$(KUSTOMIZE) build config/default | sed "s/:devel/:$(GIT_VERSION)/g" > catalogd.yaml
 
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 # Hack / Tools #