maint: make the script fail if apps returns non 0

.gitea/scripts/ci.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 if [[ -z "$OAT_VERSION" ]]; then
     echo "No OAT version was specified, please set the OAT_VERSION environment variable."
     exit 1