CI: update crun to 0.16

Changes since 0.15:
- https://github.com/containers/crun/releases/tag/0.16
- https://github.com/containers/crun/releases/tag/0.15.1

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

script/setup/install-runc

@@ -31,7 +31,7 @@ function install_runc() {
 }
 
 function install_crun() {
-	CRUN_VERSION=0.15
+	CRUN_VERSION=0.16
 	curl -o /usr/local/sbin/runc -L https://github.com/containers/crun/releases/download/${CRUN_VERSION}/crun-${CRUN_VERSION}-linux-$(go env GOARCH)
 	chmod +x /usr/local/sbin/runc
 }