set GORELEASER_CURRENT_TAG for release (#4181) #1656

Job	Run time
generate-tag	3s
kurl-addon-changes-filter	5s
image-deps-updater	26s
generate-kots-release-notes-pr	2s
build-kurl-proxy	52s
build-schema-migrations	1m 3s
build-web	2m 39s
Run regression testing	0s
goreleaser	1m 44s
build-go-api	2m 53s
release-go-api-tagged	3m 36s
build-airgap	2m 46s
generate-kurl-addon	2m 21s
publish-kurl-addon	8s
validate-kurl-addon	24s
regression-test	0s
	19m 2s

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