add parallelism (#1957)

Signed-off-by: cpanato <[email protected]>

Author: cpanato

release/release.mk

@@ -4,7 +4,7 @@
 # used when releasing together with GCP CloudBuild
 .PHONY: release
 release:
-	LDFLAGS="$(LDFLAGS)" goreleaser release --timeout 120m
+	LDFLAGS="$(LDFLAGS)" goreleaser release --parallelism 1 --timeout 120m
 
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 # sign section