SIGSEGV when `--benchmark-samples 0`

[bddap]

Reproduction steps

Build and run a benchmark with --benchmark-samples 0
./bench --benchmark-samples 0

terminated by signal SIGSEGV (Address boundary error)

Platform information:

• OS: linux
• Compiler+version: GCC v14.3.0
• Catch version: v3.4.0

[horenmar]

That doesn't make sense as a config, but it should be rejected while parsing the arguments rather than crash later.