SECURITY.md: move to lima-vm/.github repo

Moved to https://github.com/lima-vm/.github/blob/main/SECURITY.md

Signed-off-by: Akihiro Suda <[email protected]>

Author: AkihiroSuda

Makefile

@@ -39,6 +39,7 @@ binaries: clean \
 	cp -aL examples _output/share/lima
 	mkdir -p _output/share/doc/lima
 	cp -aL *.md LICENSE docs _output/share/doc/lima
+	echo "Moved to https://github.com/lima-vm/.github/blob/main/SECURITY.md" >_output/share/doc/lima/SECURITY.md
 ifneq ($(GOOS),windows)
 	ln -sf ../../lima/examples _output/share/doc/lima
 else