Fix snap build

ci/snap.sh

@@ -3,12 +3,9 @@ set -e
 
 cd "$(dirname "$0")/.."
 
-if ! ci/version-check.sh stable; then
-  # This job doesn't run within a container, try once to upgrade tooling on a
-  # version check failure
-  rustup install stable
-  ci/version-check.sh stable
-fi
+# This job doesn't run within a container, try once to upgrade tooling on a
+# version check failure
+ci/version-check-with-upgrade.sh stable
 
 DRYRUN=
 if [[ -z $BUILDKITE_BRANCH ]]; then