Security update for zvbi

This update for zvbi fixes the following issues: CVE-2025-2173: Fixed check on srclength to avoid an unitinialized heap read bsc1239222. CVE-2025-2174: Fixed integer overflow leading to heap overflow in src/conv.c, src/io-sim.c, src/search.c bsc1239299. CVE-2025-2175: Fixed integer overflow in...