SUSE: 2021:1914-2 Moderate: Libopenmpt Buffer Overflow Resolution

This update for libopenmpt fixes the following issues: Various bugfix and stability issues were fixed, some of those might have security impact. libopenmpt was updated to 0.3.28: * Fixed excessive memory consumption with malformed files in various formats. Changes in 0.3.27: * AMS: Avoid allocating excessive amount of memory for compressed song message in malformed files. * S3M: Some samples were imported with a too high sample rate if module was saved with Scream Tracker 3. Changes in 0.3.26: * DMF: Improve import of finetune effect with parameters larger than +/-15. Changes in 0.3.25: * AMS: An upper bound for uncompressed sample size is now established to avoid memory exhaustion from malformed files. * MO3: Avoid certain ModPlug hacks from being fixed up twice, which could