Upgrade Helm v3 to v3.6.3

Helm has started to build darwin/arm64 from v3.6.0.

Signed-off-by: Sylvain Rabot <sylvain@abstraction.fr>

Makefile

@@ -320,7 +320,7 @@ $(MYGOBIN)/helmV3:
 	( \
 		set -e; \
 		d=$(shell mktemp -d); cd $$d; \
-		tgzFile=helm-v3.5.3-$(GOOS)-$(GOARCH).tar.gz; \
+		tgzFile=helm-v3.6.3-$(GOOS)-$(GOARCH).tar.gz; \
 		wget https://get.helm.sh/$$tgzFile; \
 		tar -xvzf $$tgzFile; \
 		mv $(GOOS)-$(GOARCH)/helm $(MYGOBIN)/helmV3; \